US20060230869A1 - Modular pedal assembly for vehicles - Google Patents
Modular pedal assembly for vehicles Download PDFInfo
- Publication number
- US20060230869A1 US20060230869A1 US10/543,344 US54334404A US2006230869A1 US 20060230869 A1 US20060230869 A1 US 20060230869A1 US 54334404 A US54334404 A US 54334404A US 2006230869 A1 US2006230869 A1 US 2006230869A1
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- US
- United States
- Prior art keywords
- pedal
- brake
- assembly
- state
- modular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/441—Electric switches operable by the driver's pedals
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/36—Mounting units comprising an assembly of two or more pedals, e.g. for facilitating mounting
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/38—Controlling members actuated by foot comprising means to continuously detect pedal position
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/30—Controlling members actuated by foot
- G05G1/46—Means, e.g. links, for connecting the pedal to the controlled unit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/005—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unintentional use of a control mechanism
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/12—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in an indefinite number of positions, e.g. by a toothed quadrant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20528—Foot operated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20528—Foot operated
- Y10T74/20534—Accelerator
Definitions
- This invention relates to vehicles such as golf cars, utility vehicles, and neighborhood vehicles, and more particularly to accelerator pedals and brake pedals for such vehicles.
- Conventional golf cars and utility vehicles may be expensive and time consuming to assemble. This is because most conventional vehicles and utility vehicles are assembled one piece at a time, stacking each upon the next, and the amount of time and labor required to assemble a conventional vehicle may be substantial because of this process.
- Golf cars and utility vehicles may have either an electric motor drive system or an internal combustion engine drive system, and the footprint and packaging of an electric drive system may be significantly different than the footprint and packaging of a gas drive system. Therefore, during the assembly of a conventional golf car or utility vehicle, the difference in the sizes and shapes of parts may require as much as two separate chassis for electric and gas drive vehicles, and most conventional accelerator assemblies are different for an electric drive vehicle then for a gas drive vehicle. This is because the parts coupled to the accelerator and the interconnection of the accelerator with the drive system may vary significantly between drive systems.
- the present invention is a modular pedal assembly for use with a vehicle that includes a motor, a control circuit operatively connected with the motor, and a brake assembly.
- the pedal assembly comprises a base removably connectable with the vehicle and a brake pedal movably coupled with the base and operatively coupleable with the brake system.
- An accelerator pedal is movably coupled with the base so as to be displaceable between a first position and a second position and is operatively coupleable with the motor or and the control circuit.
- a sensor is configured to sense displacement of the accelerator pedal and is electrically connectable with the control circuit, such that the circuit regulates and/or operates the motor when the sensor senses displacement of the accelerator pedal.
- the present invention is a modular pedal assembly mountable as a module upon a golf car having either a gas engine or an electric motor drive.
- the modular pedal assembly has a mounted state, in which the modular pedal assembly is mounted in the vehicle, and an unmounted state.
- the modular pedal assembly comprises a base adapted to be mounted in a vehicle in the mounted state and a first pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly.
- the first pedal has a portion coupled to the brake assembly in the mounted state of the modular pedal assembly.
- a second pedal is pivotally coupled to the base in the unmounted state of the modular pedal assembly and has a portion coupled to the drive in the mounted state of the modular pedal assembly.
- the second pedal has an unactuated state and an actuated state, the actuated state being defined by pivotal movement of the second pedal with respect to the base.
- a control output regulator is coupled to the second pedal in the unmounted state of the modular pedal assembly and is also electrically coupled to the drive assembly in the mounted state of the modular pedal assembly.
- the control output regulator is adaptable to be used with vehicles driven by gas engines and electrical motors and has a sensor positioned to detect the pivotal position of the second pedal and configured to communicate the position to the drive in the mounted state of the modular pedal assembly.
- the present invention is a method of making a vehicle comprising the following steps: fabricating a vehicle body; selecting a type of drive system for the vehicle, including selecting one of an electric motor and a gas engine; coupling one of an electric motor and gas engine to the body corresponding to the type of drive system selected; coupling a brake system to the body; assembling a modular pedal assembly; coupling the modular pedal assembly to the body; and coupling the modular pedal assembly to the drive system and to the brake system.
- Assembling the modular assembly includes the substeps of: providing a base; coupling a brake pedal to the base; coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state; selecting a control output regulator corresponding to the type of drive system selected, including selecting one of a gas control output regulator and a motor control output regulator; and coupling the control output regulator selected to the accelerator pedal, the control output regulator having a sensor to sense the state of the accelerator pedal.
- the present invention is a golf car fabricated by the above-recited method.
- the present invention is a modular pedal assembly mountable as a module in a vehicle, the modular pedal assembly having a mounted state in which the modular pedal assembly is mounted in the vehicle and an unmounted state.
- the modular pedal assembly comprises a base adapted to be mounted in a vehicle in the mounted state and a brake pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly.
- An accelerator pedal is pivotally coupled to the base in the unmounted state of the modular pedal assembly and a parking brake assembly is coupled to the base in the unmounted state of the modular pedal assembly.
- the parking brake assembly is moveable between a coupled and uncoupled position with respect to the brake pedal.
- the parking brake assembly has an engagement element, with the engagement element having a projection or/and a recess, and a recess or/and a projection being provided on the brake pedal.
- the projection and/or recess on the engagement element is selectively engageable with the recess and/or projection on the brake pedal, engagement of the projection and/or recess on the engagement element with the recess and/or projection defining the coupled position of the parking brake assembly.
- an arm is coupled to the brake pedal and has a first position and a second position with respect to the engagement element. The first position of the arm restricts engagement of the engagement element with the brake pedal and defines the uncoupled position of the parking brake assembly and the second position of the arm allows engagement of the engagement element with the brake pedal and defines the coupled position of the parking brake assembly.
- the present invention is a method of assembling a vehicle having a modular pedal assembly, the method comprising the steps of: fabricating a vehicle chassis; coupling a drive system to the chassis; coupling a brake system to the chassis; assembling a parking brake assembly, assembling a modular pedal assembly; coupling the modular pedal assembly to the body as a module; and coupling the modular pedal assembly to the drive system and to the brake system.
- the step of assembling a parking brake assembly includes the substeps of providing a carriage; and coupling a pawl to the carriage.
- the step of assembling a modular pedal assembly includes the substeps of: providing a base; coupling a brake pedal to the base, the brake pedal having a toothed portion for selective engagement with the pawl and an arm pivotally coupled to the brake pedal, the arm selectively engageable with a portion of the parking brake assembly; coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state; positioning the parking brake assembly adjacent the brake pedal and the accelerator pedal for selective engagement with the brake pedal and the accelerator pedal; and coupling the parking brake assembly to the base for movement between an engaged position and a disengaged position with respect to the brake pedal;
- the present invention is a brake lamp illumination system for a vehicle having a braking system operable with a brake pedal, the brake pedal having an actuated state and an unactuated state.
- the brake lamp illumination system comprises a circuit having an open state corresponding to the unactuated state of the brake pedal and a closed state corresponding to the actuated state of the brake pedal.
- a non-contact switch is coupled to the circuit and adjacent the brake pedal, the non-contact switch having a transmitter and a receiver, the transmitter being capable of communicating with the receiver with the brake pedal in the unactuated state and incapable of communicating with the receiver with the pedal in the actuated state.
- a brake lamp is coupled to the circuit, the light having a non-illuminated state when the circuit is open and an illuminated state when the circuit is closed.
- FIG. 1 is a perspective view of a vehicle having a modular pedal assembly in accordance with the present invention
- FIG. 2 is a partial prospective view of the vehicle illustrated in FIG. 1 showing the modular pedal assembly
- FIG. 3 is a perspective view of a portion of the decorative body of the vehicle illustrated in FIG. 1 ;
- FIG. 4 is a perspective view of one embodiment of the underbody or chassis of the vehicle illustrated in FIG. 1 ;
- FIG. 5 is a partial perspective view of the underbody illustrated in FIG. 4 ;
- FIG. 6 is a perspective view of the modular pedal assembly illustrated in FIG. 5 showing the portions of the pedal assembly located under the base, including portions of the pedals and a control output regulator;
- FIG. 7 is a perspective view of the modular pedal assembly illustrated in FIG. 5 showing some of the outputs of the modular pedal assembly;
- FIG. 8 is a partial perspective view of the modular pedal assembly illustrated in FIG. 5 with the control output regulator removed and showing several elements of the parking brake assembly;
- FIG. 9 is a partial perspective view of the modular pedal assembly illustrated in FIG. 5 with the control output regulator removed and showing several of components of the modular assembly, including the parking brake assembly;
- FIG. 10 is a perspective view of the modular pedal assembly illustrated in FIG. 5 removed from the base;
- FIG. 11A is a more diagrammatic view of one embodiment of a control output regulator for use with a electric drive vehicle and components of the electric vehicle;
- FIG. 11B is a more diagrammatic view of one embodiment of a control output regulator for use with a gas drive vehicle and components of the gas vehicle;
- FIG. 12 is a perspective view of the accelerator pedal assembly, including a pedal, a shaft, a pin, an output portion, and a biased portion;
- FIG. 13A is a perspective view of a portion of the parking brake engagement assembly, including a carriage, a lever, a roller, and an engagement element having a projection;
- FIG. 13B is a perspective view from a different angle of the portion of the parking brake engagement assembly illustrated in FIG. 13A ;
- FIG. 14 is a perspective view of the brake pedal assembly illustrated in FIG. 10 , including the service brake pedal having a toothed portion and an output portion, the parking brake pedal, and an arm;
- FIG. 15 is a partial perspective view of the reverse side of the brake pedal assembly illustrated in FIG. 14 showing the parking brake pedal nested within a portion of the service brake pedal and interconnected to the service brake pedal;
- FIG. 16 is a partial perspective view of the pedal assembly illustrated in FIG. 10 showing the pedals in the unactuated state and the parking brake in the disengaged;
- FIG. 17 is a partial perspective view of the pedal assembly illustrated in FIG. 16 showing arm coupled to the brake pedal assembly preventing the parking brake engagement assembly from engaging the toothed portion of the brake pedal assembly;
- FIG. 18 is a partial perspective view of the pedal assembly illustrated in FIG. 10 showing the service brake pedal in the actuated state and the parking brake engagement assembly held in the disengaged position by the arm;
- FIG. 19 is a partial perspective view of the pedal assembly illustrated in FIG. 10 showing the parking brake pedal in the actuated state with respect to the service brake pedal and the arm rotated, allowing the parking brake engagement assembly to abut the toothed portion;
- FIG. 20 is a partial perspective view of the pedal assembly illustrated in FIG. 10 showing the service brake pedal actuated and the parking brake pedal in the actuated with respect to the service brake pedal, placing the pedal assembly in the parked state;
- FIG. 21 is a partial perspective view of FIG. 20 showing the arm rotated and the projection of the engagement element engaged with the toothed portion of the service brake pedal assembly;
- FIG. 22 is a partial perspective view of FIG. 20 showing the accelerator pedal in an unactuated state and the lever of the parking brake engagement assembly abutting the pin on the accelerator pedal assembly;
- FIG. 23 is a partial perspective view similar to FIG. 22 showing the accelerator pedal assembly actuated and the lever of the parking brake engagement assembly no longer abutting the pin on the accelerator pedal assembly;
- FIG. 24 is a simplified side view of the pedal assembly illustrated in FIG. 10 showing some of the components comprising the parking brake engagement assembly including the arm, the engagement element, and the serrate portion;
- FIG. 25A is a simplified side view of the pedal assembly illustrated in FIG. 24 showing the cam surface on the arm engaging a roller on the carriage to prevent engagement of the parking brake as the service brake is actuated;
- FIG. 25B is a simplified side view of the pedal assembly illustrated in FIG. 24 showing the cam surface on the arm disengaged from the roller on the carriage due to actuation of the parking brake pedal with respect to the service brake and allowing engagement of the parking brake;
- FIG. 26 is substantially the same view as illustrated in FIG. 25B with the arm and roller removed for clarity;
- FIG. 27A is a simplified side view of the pedal assembly illustrated in FIG. 24 showing parking brake engaged, the accelerator pedal assembly in the unactuated state, and the lever of the parking brake engagement assembly abutting the pin on the accelerator pedal assembly;
- FIG. 27B is substantially the same view as illustrated in FIG. 27A showing the parking brake becoming disengaged due to actuation of the accelerator pedal assembly;
- FIG. 28 is a more diagrammatic illustration of non-contact switch coupled to a brake pedal, a timer, and brake lamps;
- FIG. 29 is a more diagrammatic illustration of the accelerator pedal, depicting two limit positions of the pedal.
- FIG. 30 is a more diagrammatic illustration of the brake pedals, depicting two limit positions of the pedal.
- FIGS. 1-29 a preferred construction of a modular pedal assembly 10 for use with a vehicle 1 , the vehicle 1 including a motor 2 , a control circuit 3 operatively connected with the motor 2 , and a brake assembly 4 .
- the modular pedal assembly 10 basically comprises a base 11 removably connectable with the vehicle 1 , an accelerator pedal 12 and at least one and preferably two brake pedals 13 , 14 movably coupled with the base 11 , and at least one sensor 15 configured to sense displacement of the accelerator pedal 12 . As depicted in FIG.
- the accelerator pedal 12 is displaceable between a first, initial position P A1 , at which the pedal 12 is in an “unactuated state”, and a second, maximum travel position P A2 , the pedal 12 being in an, “actuated state” at the second position P A2 and all positions between the two limit positions PA A1 , P A2 .
- the accelerator pedal 12 is pivotally coupled with the base 11 , so as to be angularly displaceable about an axis 12 a, and is operatively coupleable with the motor 2 and/or with the control circuit 3 .
- Each brake pedal 13 , 14 is preferably pivotally coupled with the base 11 , so as to be angularly displaceable about an axis 13 a, 14 a between a first, initial position P B1 and a second, maximum travel position P B2 ( FIG. 30 ) and are each operatively coupled with the brake assembly 4 of the vehicle 1 , as discussed below.
- the “service” brake pedal 13 is used for braking or stopping of the vehicle 1 during vehicle operation and the “parking” brake pedal 14 is used to maintain the brake assembly 4 engaged with the wheel shafts (not shown) and is releasably lockable at the second position P B2 .
- the accelerator pedal 12 is operatively coupled with the parking brake pedal 14 , such that when the brake pedal 14 is locked at the second position P B2 , displacement of the accelerator pedal 12 releases the parking brake pedal 14 from the second position P B2 .
- the one or more sensors 15 are each configured to sense displacement of the accelerator pedal 14 and each is electrically connectable with the control circuit 3 .
- the control circuit 3 regulates and/or operates the motor 2 and/or operates the motor 2 when the sensor 15 senses displacement of the accelerator pedal 12 , i.e., when the accelerator pedal 12 “actuates” by displacing from the initial position P A1 toward the second, maximum travel position P A2 .
- the one or more sensors 15 are incorporated into a control output regulator 16 of the pedal assembly 10 that also includes a housing 24 or 34 , the sensor(s) 15 being disposed within the housing 24 or 34 .
- the housing 24 or 34 is removably connected with the base 11 so as to position the sensor 15 generally proximal to the accelerator pedal 12 , as described in further detail below.
- the modular pedal assembly 10 may be used with a vehicle 1 having a motor 2 that is either an electric motor 28 or an internal combustion or “gas” engine 37 , the primary difference being the particular control output regulator 16 connected with the base 11 .
- the vehicle 1 includes a battery 31 and the control circuit 3 includes a controller 27 configured to regulate either the voltage or the current between the battery 31 and the motor 28 .
- An “electric” motor control output regulator 23 preferably includes a housing 24 and two sensors 15 disposed within the housing 24 , specifically a first sensor 25 and a second sensor 26 .
- the first sensor 25 is a limit switch electrically connected with the controller 27 such that the controller 27 is “turned-on” when the pedal 12 displaces from the initial position P A1 and towards the second position P A2 .
- the second sensor 26 is variable resistor or potentiometer configured to generate a signal proportional to a displacement d A of the accelerator pedal 12 from the initial position P A1 , such that the controller 27 adjusts either the voltage or current to the motor 28 to be generally proportional to pedal displacement d A ( FIG. 29 ).
- the motor 2 is a gas engine 37
- the engine 37 has at least one and preferably a plurality of spark plugs and a starter motor
- the control circuit 3 includes a starter circuit with a solenoid 39 operatively coupled with the starter motor and a magneto 41 electrically coupleable with the spark plugs, as depicted in FIG. 11B
- a “gas” motor control output regulator 33 preferably includes a housing 34 and two sensors 15 disposed within the housing 34 , specifically a first sensor 35 and a second sensor 36 .
- the first sensor 35 is a limit switch electrically connected with the solenoid 39 such that the solenoid 39 is electrically connected with the starter motor of the engine 37 when the accelerator pedal 12 displaces from the initial position P A1 and towards the second position P A2 .
- the second sensor 37 is a limit switch electrically connected with the magneto 41 such that the magneto 41 is electrically coupled with the spark plugs when the accelerator pedal 12 displaces from the initial position P A1 .
- the engine 37 preferably includes a carburetor 43 with a throttle and the accelerator pedal 12 is operatively connected with the throttle by means of a cable 43 a.
- the modular pedal assembly 10 is preferably used with a vehicle 1 that is constructed as a golf car 1 (as shown) or a utility vehicle.
- vehicle 1 includes a body or chassis 5 that has an underbody portion 6 to which the modular pedal assembly 10 is preferably mounted.
- the underbody portion 6 includes a mounting cavity 7 sized to receive the pedal group 10 , as discussed in further detail below.
- the modular pedal assembly 10 of the present invention may be used with any other type of vehicle.
- the modular pedal 10 may be used with a vehicle 1 that is a standard passenger automobile, a sports utility vehicle, a commercial truck, an off-road vehicle (e.g., dune buggy) having any type of drive system and/or other appropriate structure for connecting the pedal assembly 10 with the vehicle 1 (no alternatives shown).
- vehicle 1 that is a standard passenger automobile, a sports utility vehicle, a commercial truck, an off-road vehicle (e.g., dune buggy) having any type of drive system and/or other appropriate structure for connecting the pedal assembly 10 with the vehicle 1 (no alternatives shown).
- the pedal assembly 10 is coupled to the vehicle 1 as a modular unit or “module”.
- the base 11 is connectable with the vehicle 1 to connect the entire modular pedal assembly 10 to the vehicle 1 and the base 11 is alternatively removable from the vehicle 1 to remove the entire modular pedal assembly 10 from the vehicle 1 .
- the pedals 12 , 13 and 14 are coupled or connected with the base 1 1 before the base 11 is mounted on the vehicle 1 , and then the pedals 12 , 13 , 14 are correctly positioned on the vehicle 1 when the base 11 is connected or mounted thereto.
- FIGS. 4 and 5 illustrate how a modular pedal assembly 10 may be mounted with respect to vehicle 1 , preferably to the body 5 of the vehicle.
- the vehicle body or chassis 5 has an aperture or mounting cavity 7 designed to receive and secure the modular pedal assembly 10 to the vehicle 1 .
- the aperture/cavity 7 of the chassis 5 is designed to house and protect many of the moving and electrical parts (if any) from the environment.
- the modular pedal assembly 10 including the base 11 , the pedals 13 , 14 , and a control output regulator 16 , is placed within the cavity 7 of the chassis as an assembled module. As such, very little manipulation or adjustment of the modular pedal assembly 10 is required once placed onto the chassis 5 .
- the brake output rod 17 is then connected to the brake system 4 by a brake cable 4 a, two electrical connections 3 a are made with the control circuit 3 a, 3 b, and depending on the drive system, the accelerator pedal 12 may be coupled directly to the motor 2 .
- an upper body panel 8 including floorboards 9 , may be placed around and partially over the modular pedal assembly 10 and connected with the underbody 6 .
- the floorboards 9 cover and protect the cables and electrical components of the modular pedal assembly 10 from the environment.
- the floorboards 9 cover and protect the cables and electrical components of the modular pedal assembly 10 from the environment.
- the floorboards 9 cover and protect the cables and electrical components of the modular pedal assembly 10 from the environment.
- the fully assembled state only a portion of the pedals and a debris shield 21 of the modular pedal assembly 10 are exposed to the environment.
- the pedal assembly 10 is illustrated as being mounted on the floor of a vehicle 1 , the pedal assembly 10 may be mounted in other areas such as the inclined area between the floorboard and the dash of the vehicle 1 .
- the modular pedal assembly 10 has a base 11 and a plurality of pedals coupled to the base 11 , which may include any combination of an accelerator pedal assembly 12 , a service brake pedal assembly 13 , a parking brake pedal assembly 14 , clutch pedal, or any other appropriate vehicle pedal.
- the illustrated embodiment comprises an accelerator pedal assembly 12 , a service brake pedal assembly 13 , and a parking brake pedal assembly 14 , it should be noted that the parking brake pedal 14 is not necessary for all applications.
- the pedals may be coupled to the base 11 by one or more moveable connections, such as a pivot.
- the accelerator pedal 12 is coupled to the base 11 by a first pivot 19 and the service brake 13 and parking brake 14 are coupled to the base 11 by a second pivot 20 .
- two separate pivots are used in the embodiment illustrated in the figures, other embodiments may use more or less pivots then illustrated.
- some embodiments may use a single pivot for two or more pedals.
- the illustrated accelerator pedal 12 has a shaft portion 64 that substantially surrounds and couples to the pivot 19 .
- the pivot 19 is secured to the accelerator shaft 64 to rotate with the accelerator 12 when the accelerator 12 is actuated.
- the shaft 64 may be secured to the pivot by a fastener, a male/female connection, a force fit, a friction fit, adhesive, and the like.
- the accelerator pedal 12 does not need to be secured to the pivot 19 in all embodiments.
- the shaft portion 64 pivots with respect to the pivot 19 (structure not shown).
- portions of the pivot 19 are coupled to the base 11 via a bracket 40 on the base 11 .
- these portions of the pivot 19 may rest in bearings mounted to the bracket 40 . As best illustrated in FIGS. 9 and 10 , a portion of the pivot 19 extends beyond the bracket 40 . This portion of the pivot 19 rotates as the accelerator 12 is actuated. As will be discussed in greater detail below, this portion of the pivot 19 is coupled to a control output regulator 16 .
- Another portion 65 of the accelerator 12 is coupled to one or more biasing members 18 .
- the biasing member also has a damper member.
- the biasing members 18 as illustrated in FIG. 6 are also coupled to the base 11 . This structure allows the accelerator pedal 12 to be biased toward the initial or unactuated position P A1 . Thus, when the accelerator pedal 12 is actuated, the biasing members 18 exert a force against a portion 65 of the accelerator pedal 12 and create a torque on the pedal 12 to bias the pedal 12 toward the unactuated position.
- the brake pedal assembly 13 is also coupled to a pivot 20 .
- the pivot 20 of the brake pedal assembly 13 may either be rigidly fixed to the base 11 or may be fixed to the pedal assembly 13 and rotate within the base 11 . If the pivot 20 is fixed to pedal assembly 13 and rotates relative to the base 11 , a bearing may be mounted to the base 11 to reduce the force required to actuated the pedal 13 and to eliminate wear.
- the service brake pedal 13 and the parking brake pedal 14 are disposed adjacent to one another.
- Each pedal has an arm 74 , 81 that extends from the foot actuated portion 73 , 80 of the assembly 13 , 14 to a shaft 75 , 83 .
- the arm 81 of the parking brake pedal 14 is nested within the arm 74 of the service brake 13 .
- actuation of the service brake pedal 13 alone causes the parking brake pedal 14 to move with the service brake pedal 13 relative to the base 11 , but not relative to the service brake pedal 13 .
- the parking brake pedal 14 may be partially actuated with respect to the service brake pedal 13 and the base 11 without causing actuation of the service brake pedal 13 .
- the parking brake pedal 14 hits an abutment 79 on the service brake pedal 13 causing the service brake pedal 13 to move with it.
- further actuation of the parking brake pedal 14 causes the service brake pedal 13 to actuate and the parking brake to engage.
- a biasing member 18 may be coupled to the parking brake pedal 14 to bias both pedals 13 , 14 toward the unactuated position. In other embodiments, it may be desirable to use a separate biasing member for each pedal.
- One or more portions 77 of the brake pedal assemblies 13 , 14 may be coupled to one or more output members, such as output rod 17 . These output members may be coupled to a braking system of a vehicle 1 once the modular pedal assembly 10 is mounted on the car 1 .
- a control output regulator 16 is preferably mounted to the base 11 of the pedal assembly 10 .
- the control output regulator 16 is also coupled to the portion of the accelerator pedal assembly 12 .
- the control output regulator 16 has a housing 24 or 34 that couples to the base 11 and supports at least one and preferably two sensors 15 disposed within the housing 24 , 34 , respectively.
- the sensors 15 are positioned within the housing 24 or 34 to sense actuation of the accelerator pedal 12 . Since a portion of the accelerator pivot 19 extends within the housing 24 or 34 of the control output regulator 16 , the sensors 15 preferably detect rotation of the pivot 19 .
- the control output regulator 16 communicates with the drive system of the vehicle 1 indicating whether the accelerator pedal 12 is actuated. In some embodiments, the control output regulator 16 also communicates with the drive system the amount of angular displacement d A by which the accelerator pedal 12 is actuated or displaced.
- the modular pedal assembly 10 may be used on a vehicle 1 having either an electric drive system or gas drive system with only minimal modifications.
- the base 11 and pedals may be identical for both electric drive and gas drive vehicles 1 .
- Vehicles 1 having an electric drive system utilize a motor control output regulator 23
- gas drive systems utilize a gas control output regulator 33 .
- the motor control output regulator 23 and the gas control output regulator 33 are generally similarly constructed, such that either regulator 23 , 33 may be connected with the remaining components of the modular pedal assembly 10 , which are generally identical in both constructions.
- the modular pedal assembly 10 described embodiment requires very minor modifications and relatively few alternative parts to adapt for use with either electric or gas motors 2 .
- the main difference between the different types of control output regulators is the type of sensors 25 , 26 , 35 , 36 utilized within the housing 24 , 34 .
- the motor control output regulator 23 is used with a vehicle 1 having an electric drive system including an electric motor 28 , a battery 31 and a controller 27 .
- the motor control output regulator 23 has a housing 24 that is adapted to couple with the base 11 .
- the housing 24 also receives a portion of the accelerator pivot 19 and houses at least one and preferably two sensors 15 .
- two sensors 25 , 26 are contained within the housing 24 .
- the first sensor 25 is a limit switch, which senses actuation of the accelerator pedal 12 and is operatively coupled with the controller 25 such that the controller 27 is “turned-on” when the pedal 12 displaces from the initial position P 1A .
- the limit switch 25 senses actuation of the accelerator pedal 12 from the at rest, unactuated state, it sends a signal to a controller 27 .
- the controller 27 Upon receiving a signal from the motor control output regulator 23 , the controller 27 is “turned-on” and enabled to send a signal to the motor 28 . If the controller 27 does not receive a signal from the limit switch 25 , the controller 27 is in an off state and thus unable to send a signal to the electric motor 28 .
- the illustrated motor control output regulator 23 also has a second sensor 26 within the housing 24 .
- the second sensor is preferably a variable resistor or potentiometer, which senses the amount of actuation or angular displacement d A of the accelerator pedal 12 .
- the second sensor 26 also communicates with the controller 27 and is preferably configured to generate and transmit a variable signal to the controller 27 that is generally proportional to the angular displacement d A ( FIG. 29 ) of the accelerator pedal 12 .
- the potentiometer 29 preferably sends a variable voltage to the controller 27 to indicate the amount that the accelerator 12 is actuated.
- the potentiometer 29 may be designed to send zero (0) volts to the controller 27 when the accelerator pedal 12 is in the unactuated, at rest state (i.e., located at the initial position P A1 ) and up to five (5) volts when the accelerator pedal 12 is in the fully actuated state, i.e., located at the maximum travel position P A2 .
- the potentiometer 29 sends a signal having a magnitude of around two and one-half (21 ⁇ 2) volts to the controller 27 .
- the voltage sent to the controller 27 varies with the angular displacement d A or position of the accelerator pedal 12 .
- the controller 27 may then send a signal to the motor 28 of the vehicle 1 .
- the signal may be a variable signal, such as pulse-width-modulation or the like.
- the motor 28 may then accelerate or decelerate corresponding to the amount the accelerator pedal 12 is actuated.
- the gas control output regulator 33 is preferably constructed generally similarly as the electric control output regulator 23 . As such, either control output regulator 23 , 33 may be mounted to the base 11 of a stock modular pedal assembly 10 depending upon the type of drive system utilized.
- the gas control output regulator 33 has a housing 34 that is adapted to be received upon the base 11 .
- the housing also contains one or more sensors 35 , 36 to sense the position of the accelerator pedal 12 .
- the embodiment of the gas control output regulator 33 illustrated in FIG. 11B contains two limit switches 35 , 36 .
- the first limit switch 35 is part of a control circuit 3 that includes a starter circuit with a solenoid 39 operatively coupled with the starter motor of the engine 37 .
- the first limit switch 35 is a normally open state when the accelerator pedal 12 is in the at rest, unactuated state (i.e., located at the initial position P A1 ). Since the first limit switch 35 is in a normally open state, the first circuit has a normally open condition. However, upon actuation of the accelerator pedal 12 , the first sensor 35 closes the circuit and sends a signal to the solenoid 39 to enable the engine 37 to start idling.
- the accelerator pedal 12 also has an output member, such as a throttle cable 43 a connected with the carburetor 43 of the engine 37 , to directly control the amount of acceleration and deceleration of the vehicle 1 corresponding to the amount the accelerator 12 is actuated.
- the second limit switch 36 is preferably housed within the gas control output regulator 33 as illustrated.
- the second switch 36 is electrically connected with the magneto 41 connected with the spark plug(s) of the engine 37 .
- the second switch 36 has a normally closed state when the accelerator pedal 12 is in the at rest, unactuated state (i.e., located at the initial position P A1 ). When the switch 36 is in the closed state, it grounds the magneto 41 and kills the spark to the spark plugs. As such, the engine 37 does not idle when the accelerator pedal 12 is in the at rest, unactuated state. However, upon actuation of the accelerator pedal 12 , the second switch 36 opens the portion of the control circuit 3 containing the magneto 41 . With the second switch 36 open, the magneto 41 is no longer grounded and the spark plugs may generate a spark. Thus, the engine 37 may idle and drive the vehicle 1 depending upon the amount of actuation of the accelerator pedal 12 .
- the parking brake may keep the vehicle 1 from rolling with respect to the ground.
- the parking brake is engageable upon actuation of the parking brake pedal 14 with respect to the service brake pedal 13 .
- the parking brake pedal 14 may be actuated independently of the service brake pedal 13 through a limited range of motion. However, after a the limited range of motion, further actuation of the parking brake pedal 14 may cause actuation of the service brake pedal 13 due to contact between the parking brake pedal 14 and an abutment 79 on the service brake pedal 13 . It is the actuation of the service brake pedal 13 while the parking brake pedal 14 is actuated relative to the service brake pedal 13 that causes the parking brake to engage. Once the parking brake is engaged, actuation of the accelerator pedal 12 may cause disengagement of the parking brake.
- the parking brake illustrated comprises a parking brake engagement assembly 44 including a carriage 45 coupled to the base 11 and an engagement element or pawl 50 coupled to the carriage 45 .
- the illustrated carriage 45 comprises a plurality of rods 46 and one or more brackets 47 interconnecting the rods 46 .
- One of the rods 46 that couples the carriage 45 to the base 11 defines a first pivot point 57 for the carriage 45 .
- the entire carriage 45 is pivotable about this point with respect to the base 11 .
- the engagement element 50 is pivotally coupled to another rod 46 defining a second pivot point 58 .
- This rod 46 defining the second pivot point 58 is also coupled to a lever 49 .
- the lever 49 is adjacent to the carriage 45 and capable of pivoting independently of the carriage 45 about the second pivot point 58 . As will be described in greater detail below, pivotal movement of the lever 49 with respect to carriage 45 may cause the engagement element 50 to pivot about the second pivot point 58 .
- the carriage 45 is biased by a spring 48 toward the brake pedal assembly 13 .
- the parking brake engagement assembly 44 also comprises a toothed portion or gear 53 coupled to the brake pedal assembly 13 and an arm 52 coupled to the brake pedal assembly 13 .
- the toothed portion 53 of the brake pedal assembly 13 is designed to selectively engage the engagement element 50 on the carriage 45 in the engaged state of the parking brake.
- the toothed portion 53 and the engagement element 50 may be designed to resist disengagement, as illustrated, to prevent unintentional disengagement of the parking brake.
- the parking brake is engaged or “on.” However, if the engagement element 50 is not engaged with the toothed portion 53 of the brake assembly 13 the parking brake is not on.
- the carriage 45 (which includes the engagement element 50 ) is biased towards the brake pedal assembly 13 , 14 (which includes the toothed portion 53 ).
- the engagement element 50 would engage the toothed portion 53 upon actuation of the service brake pedal 13 during normal driving conditions and unintentionally engage the parking brake. Therefore, a moveable arm 52 is coupled to the brake pedal assembly 13 , 14 to control the position of the engagement element 50 with respect to the toothed portion 53 and prevent unintentional engagement.
- the arm 52 has a first position that prevents engagement of the engagement element 50 with the toothed portion 53 and a second position which allows engagement between the engagement element 50 and toothed portion 53 .
- the arm 52 In the first position, the arm 52 allows actuation of the service brake pedal 13 without the parking brake engaging. In the second position of the arm 52 , however, engagement between the engagement element 50 and the toothed portion 53 during actuation of the service brake pedal 13 is enabled.
- the position of the arm 52 is controlled by the parking brake pedal 14 .
- the arm 52 stays in the first position to prevent engagement of the parking brake while the parking brake pedal 14 is not sufficiently actuated with respect to the service brake pedal 13 .
- Sufficient actuation of the parking brake pedal 14 with respect to the service brake pedal 14 places the arm 52 in the second position and enables engagement of the parking brake. Movement of the arm 52 is caused by the relative motion between the pedals 13 , 14 .
- the relative motion of the parking brake pedal 13 with respect to the service brake pedal 14 causes a torque on the arm 52 .
- the arm 52 is coupled to the service brake pedal 13 by a first pin 60 and coupled to the parking brake pedal 14 by a second pin 55 .
- the relative motion between the two pedals 13 , 14 causes a torque on the arm 52 .
- the arm 52 has a cammed surface on it and the carriage has a roller 51 adjacent the engagement element 50 .
- the roller 51 rides on the cammed surface in the first position of the arm 52 and the parking brake is prevented from engaging.
- the roller 51 does not sufficiently engage the cam surface of the arm 52 in the second position of the arm 52 to prevent the parking brake from engaging.
- a pin 54 is couple to a portion of the accelerator pedal assembly.
- the lever 49 coupled to the carriage 45 abuts this pin 54 and is biased towards the pin 54 .
- the lever 49 is pivotally coupled to the carriage 45 about the second pivot point 58 and pivotable about the second pivot point 58 independent of the carriage 45 . Without the lever 49 abutting the pin 54 , the parking brake could disengage due to a torque placed on the engagement element 50 by the toothed portion 53 .
- the torque placed upon the engagement element 50 from toothed portion 53 coupled to the brake assembly 13 may cause the engagement element 50 to pivot about the second pivot point 58 and the parking brake to release.
- the engagement element 50 is able to pivot about the second pivot point 58 to release the parking brake.
- the engagement element 50 may be caused to pivot about the second pivot point 58 by the torque placed upon it from the parking brake assembly, from bias elements 48 coupled to the carriage 45 , or any combination thereof.
- FIG. 24 shows a parking brake assembly in the disengaged state. In other words, the parking brake is not engaged.
- the carriage 45 has a first pivot point 57 , a second pivot point 58 , and an engagement element or pawl 50 attached to the carriage 45 at the second pivot point 58 .
- An arm 52 is coupled to the brake pedal assembly 13 , 14 and engages a portion of the carriage 45 to prevent the parking brake from engaging.
- FIG. 25A shows the assembly illustrated in FIG. 24 with several parts removed for the sake of clarity. This figure also shows the service brake pedal 13 actuated. As previously discussed, actuation of the service brake pedal 13 also causes actuation of the parking brake pedal 14 .
- the parking brake pedal 14 is not actuated with respect to the service brake pedal 13 in this figure.
- the arm 52 is actuated relative to the base 11 , the arm 52 stays in the first position illustrated in FIG. 24 with respect to the pedals 13 , 14 and prevents the engagement element 50 from engaging the toothed portion 53 due to a roller 51 on the carriage 45 riding on a cam surface of the arm 52 .
- FIG. 25B shows the service brake pedal 13 actuated and the parking brake pedal 14 actuated with respect to the service brake pedal 13 .
- the arm 52 pivots (with respect to the pedals) to the second position shown in this figure and enables the parking brake to engage.
- a projection 59 on the engagement element 50 engages the toothed portion 53 and holds the service brake pedal 13 in the actuated position.
- FIG. 26 also illustrates the parking brake in the engaged position with several parts, such as the arm 52 and roller 51 removed for clarification.
- FIG. 27A is similar to FIG. 25B , however, it further illustrates the pin 54 on the accelerator 12 , which prevents the engagement element 50 from being torqued out of engagement with the toothed portion 53 .
- FIG. 27B illustrates the accelerator 12 actuated by about four degrees from the at rest, unactuated or initial position P B1 .
- the pin 54 on the accelerator 12 no longer abuts the lever 49 adjacent the carriage 45 .
- the engagement element 50 is capable of rotating about the second pivot point 58 to begin disengaging the parking brake.
- the engagement element 50 would continue to rotate about the second pivot point 58 and completely disengage the parking brake.
- the brake system 4 may also include an infrared switch 88 or other non-contact sensor to detect actuation of the brake pedal assembly 13 .
- This switch 88 may be coupled to the brake lamps 8 to indicate whether the brake pedal 13 is actuated.
- the switch may have a receiver 90 and a transmitter 89 communicating with the receiver 90 . Any change in the state of the message received by the receiver 90 indicates that the state of the brake pedal 13 has changed.
- the brake lamp switch 8 in some embodiments is a solid state construction, with the switch attached to the base 11 of the pedal assembly 10 .
- a shutter 92 is attached to the service brake 13 and moveable with the service brake 13 .
- the switch 88 may have positive switching circuitry including a normally open state.
- the circuit closes and the brake lamps 8 are illuminated.
- movement of the pedal 13 back to the unactuated state would move the shutter 92 and discontinue output of the brake lamps 8 .
- either brake pedal may actuate the light switch 88 .
- the infrared switch 88 is a non-contact switch, wear is eliminated.
- the switch 88 may allow the brake lamps 8 to be illuminated while the vehicle 1 is in the parked condition.
- the brake lamp illumination system may be equipped with a timer 91 to provide illumination of the brake lamps 8 when the car is parked.
- the timer 91 may be programmed to allow the brake lamps 8 to be illuminated for a predetermined period of time while the parking brake is engaged. A period of several minutes, such as four minutes for example, is reasonable to avoid dangerous situations, but yet preserves battery life of the vehicle 1 . Once timed out, the brake lamps 8 may no longer be illuminated without another input into the system, such as re-actuation or further actuation of the brake pedal 13 .
- the infrared switch 88 and/or the timer 91 described above may be coupled to a vehicle in a conventional manner individually or as a modular unit.
- the parking brake engagement assembly 44 discussed above may be mounted to a vehicle 1 in a conventional manner individually, may be mounted to a vehicle as a modular parking brake assembly, or may be mounted to a vehicle 1 as part of a modular pedal assembly 10 .
- the embodiments discussed above are illustrated and referenced with regard to a vehicle, the teachings of the present invention apply equally to many types of vehicles, including utility vehicles.
Abstract
In some embodiments, a vehicle or utility vehicle pedal assembly and method are disclosed. The pedal assembly may be modular and readily adaptable for use on vehicles and utility vehicles having either an electric motor drive system or an internal combustion engine drive system. Thus, in some embodiments the module includes a base, a plurality of pedals coupled to the base, and an output regulator coupled to the base. Other embodiments disclose a parking brake engagement assembly comprising a toothed element, an engagement element selectively engageable with the toothed element, and an arm to the control the engagement between the toothed element and the engagement element. Yet other embodiments disclose a non-contact sensor coupled to the brake system to selectively illuminate the brake lamps of a vehicle or utility vehicle. Further embodiments disclose a timer coupled to the brake system to selectively illuminate the brake lamps.
Description
- This application claims priority to U.S. Provisional Application Ser. No. 60/442,577, filed Jan. 24, 2003, the entire contents of which are incorporated herein by reference.
- This invention relates to vehicles such as golf cars, utility vehicles, and neighborhood vehicles, and more particularly to accelerator pedals and brake pedals for such vehicles.
- Conventional golf cars and utility vehicles may be expensive and time consuming to assemble. This is because most conventional vehicles and utility vehicles are assembled one piece at a time, stacking each upon the next, and the amount of time and labor required to assemble a conventional vehicle may be substantial because of this process. Golf cars and utility vehicles may have either an electric motor drive system or an internal combustion engine drive system, and the footprint and packaging of an electric drive system may be significantly different than the footprint and packaging of a gas drive system. Therefore, during the assembly of a conventional golf car or utility vehicle, the difference in the sizes and shapes of parts may require as much as two separate chassis for electric and gas drive vehicles, and most conventional accelerator assemblies are different for an electric drive vehicle then for a gas drive vehicle. This is because the parts coupled to the accelerator and the interconnection of the accelerator with the drive system may vary significantly between drive systems.
- In one aspect, the present invention is a modular pedal assembly for use with a vehicle that includes a motor, a control circuit operatively connected with the motor, and a brake assembly. The pedal assembly comprises a base removably connectable with the vehicle and a brake pedal movably coupled with the base and operatively coupleable with the brake system. An accelerator pedal is movably coupled with the base so as to be displaceable between a first position and a second position and is operatively coupleable with the motor or and the control circuit. Further, a sensor is configured to sense displacement of the accelerator pedal and is electrically connectable with the control circuit, such that the circuit regulates and/or operates the motor when the sensor senses displacement of the accelerator pedal.
- In another aspect, the present invention is a modular pedal assembly mountable as a module upon a golf car having either a gas engine or an electric motor drive. The modular pedal assembly has a mounted state, in which the modular pedal assembly is mounted in the vehicle, and an unmounted state. The modular pedal assembly comprises a base adapted to be mounted in a vehicle in the mounted state and a first pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly. The first pedal has a portion coupled to the brake assembly in the mounted state of the modular pedal assembly. A second pedal is pivotally coupled to the base in the unmounted state of the modular pedal assembly and has a portion coupled to the drive in the mounted state of the modular pedal assembly. The second pedal has an unactuated state and an actuated state, the actuated state being defined by pivotal movement of the second pedal with respect to the base. Further, a control output regulator is coupled to the second pedal in the unmounted state of the modular pedal assembly and is also electrically coupled to the drive assembly in the mounted state of the modular pedal assembly. The control output regulator is adaptable to be used with vehicles driven by gas engines and electrical motors and has a sensor positioned to detect the pivotal position of the second pedal and configured to communicate the position to the drive in the mounted state of the modular pedal assembly.
- In a further aspect, the present invention is a method of making a vehicle comprising the following steps: fabricating a vehicle body; selecting a type of drive system for the vehicle, including selecting one of an electric motor and a gas engine; coupling one of an electric motor and gas engine to the body corresponding to the type of drive system selected; coupling a brake system to the body; assembling a modular pedal assembly; coupling the modular pedal assembly to the body; and coupling the modular pedal assembly to the drive system and to the brake system. Assembling the modular assembly includes the substeps of: providing a base; coupling a brake pedal to the base; coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state; selecting a control output regulator corresponding to the type of drive system selected, including selecting one of a gas control output regulator and a motor control output regulator; and coupling the control output regulator selected to the accelerator pedal, the control output regulator having a sensor to sense the state of the accelerator pedal. In yet another aspect, the present invention is a golf car fabricated by the above-recited method.
- In an even further aspect, the present invention is a modular pedal assembly mountable as a module in a vehicle, the modular pedal assembly having a mounted state in which the modular pedal assembly is mounted in the vehicle and an unmounted state. The modular pedal assembly comprises a base adapted to be mounted in a vehicle in the mounted state and a brake pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly. An accelerator pedal is pivotally coupled to the base in the unmounted state of the modular pedal assembly and a parking brake assembly is coupled to the base in the unmounted state of the modular pedal assembly. The parking brake assembly is moveable between a coupled and uncoupled position with respect to the brake pedal. Further, the parking brake assembly has an engagement element, with the engagement element having a projection or/and a recess, and a recess or/and a projection being provided on the brake pedal. The projection and/or recess on the engagement element is selectively engageable with the recess and/or projection on the brake pedal, engagement of the projection and/or recess on the engagement element with the recess and/or projection defining the coupled position of the parking brake assembly. Further, an arm is coupled to the brake pedal and has a first position and a second position with respect to the engagement element. The first position of the arm restricts engagement of the engagement element with the brake pedal and defines the uncoupled position of the parking brake assembly and the second position of the arm allows engagement of the engagement element with the brake pedal and defines the coupled position of the parking brake assembly.
- In yet another aspect, the present invention is a method of assembling a vehicle having a modular pedal assembly, the method comprising the steps of: fabricating a vehicle chassis; coupling a drive system to the chassis; coupling a brake system to the chassis; assembling a parking brake assembly, assembling a modular pedal assembly; coupling the modular pedal assembly to the body as a module; and coupling the modular pedal assembly to the drive system and to the brake system. The step of assembling a parking brake assembly includes the substeps of providing a carriage; and coupling a pawl to the carriage. Further, the step of assembling a modular pedal assembly includes the substeps of: providing a base; coupling a brake pedal to the base, the brake pedal having a toothed portion for selective engagement with the pawl and an arm pivotally coupled to the brake pedal, the arm selectively engageable with a portion of the parking brake assembly; coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state; positioning the parking brake assembly adjacent the brake pedal and the accelerator pedal for selective engagement with the brake pedal and the accelerator pedal; and coupling the parking brake assembly to the base for movement between an engaged position and a disengaged position with respect to the brake pedal;
- In yet an even further aspect, the present invention is a brake lamp illumination system for a vehicle having a braking system operable with a brake pedal, the brake pedal having an actuated state and an unactuated state. The brake lamp illumination system comprises a circuit having an open state corresponding to the unactuated state of the brake pedal and a closed state corresponding to the actuated state of the brake pedal. A non-contact switch is coupled to the circuit and adjacent the brake pedal, the non-contact switch having a transmitter and a receiver, the transmitter being capable of communicating with the receiver with the brake pedal in the unactuated state and incapable of communicating with the receiver with the pedal in the actuated state. Further, a brake lamp is coupled to the circuit, the light having a non-illuminated state when the circuit is open and an illuminated state when the circuit is closed.
- The invention is further described with reference to the accompanying drawings, which illustrate one or more embodiments of the invention. However, it should be noted that the invention as disclosed in the accompanying drawings is illustrated by way of example only. The various elements and combinations of elements described below and illustrated in the drawings may be arranged and organized differently to result in embodiments which are still within the spirit and scope of the present invention in the drawings, wherein like reference numeral indicate like parts:
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FIG. 1 is a perspective view of a vehicle having a modular pedal assembly in accordance with the present invention; -
FIG. 2 is a partial prospective view of the vehicle illustrated inFIG. 1 showing the modular pedal assembly; -
FIG. 3 is a perspective view of a portion of the decorative body of the vehicle illustrated inFIG. 1 ; -
FIG. 4 is a perspective view of one embodiment of the underbody or chassis of the vehicle illustrated inFIG. 1 ; -
FIG. 5 is a partial perspective view of the underbody illustrated inFIG. 4 ; -
FIG. 6 is a perspective view of the modular pedal assembly illustrated inFIG. 5 showing the portions of the pedal assembly located under the base, including portions of the pedals and a control output regulator; -
FIG. 7 is a perspective view of the modular pedal assembly illustrated inFIG. 5 showing some of the outputs of the modular pedal assembly; -
FIG. 8 is a partial perspective view of the modular pedal assembly illustrated inFIG. 5 with the control output regulator removed and showing several elements of the parking brake assembly; -
FIG. 9 is a partial perspective view of the modular pedal assembly illustrated inFIG. 5 with the control output regulator removed and showing several of components of the modular assembly, including the parking brake assembly; -
FIG. 10 is a perspective view of the modular pedal assembly illustrated inFIG. 5 removed from the base; -
FIG. 11A is a more diagrammatic view of one embodiment of a control output regulator for use with a electric drive vehicle and components of the electric vehicle; -
FIG. 11B is a more diagrammatic view of one embodiment of a control output regulator for use with a gas drive vehicle and components of the gas vehicle; -
FIG. 12 is a perspective view of the accelerator pedal assembly, including a pedal, a shaft, a pin, an output portion, and a biased portion; -
FIG. 13A is a perspective view of a portion of the parking brake engagement assembly, including a carriage, a lever, a roller, and an engagement element having a projection; -
FIG. 13B is a perspective view from a different angle of the portion of the parking brake engagement assembly illustrated inFIG. 13A ; -
FIG. 14 is a perspective view of the brake pedal assembly illustrated inFIG. 10 , including the service brake pedal having a toothed portion and an output portion, the parking brake pedal, and an arm; -
FIG. 15 is a partial perspective view of the reverse side of the brake pedal assembly illustrated inFIG. 14 showing the parking brake pedal nested within a portion of the service brake pedal and interconnected to the service brake pedal; -
FIG. 16 is a partial perspective view of the pedal assembly illustrated inFIG. 10 showing the pedals in the unactuated state and the parking brake in the disengaged; -
FIG. 17 is a partial perspective view of the pedal assembly illustrated inFIG. 16 showing arm coupled to the brake pedal assembly preventing the parking brake engagement assembly from engaging the toothed portion of the brake pedal assembly; -
FIG. 18 is a partial perspective view of the pedal assembly illustrated inFIG. 10 showing the service brake pedal in the actuated state and the parking brake engagement assembly held in the disengaged position by the arm; -
FIG. 19 is a partial perspective view of the pedal assembly illustrated inFIG. 10 showing the parking brake pedal in the actuated state with respect to the service brake pedal and the arm rotated, allowing the parking brake engagement assembly to abut the toothed portion; -
FIG. 20 is a partial perspective view of the pedal assembly illustrated inFIG. 10 showing the service brake pedal actuated and the parking brake pedal in the actuated with respect to the service brake pedal, placing the pedal assembly in the parked state; -
FIG. 21 is a partial perspective view ofFIG. 20 showing the arm rotated and the projection of the engagement element engaged with the toothed portion of the service brake pedal assembly; -
FIG. 22 is a partial perspective view ofFIG. 20 showing the accelerator pedal in an unactuated state and the lever of the parking brake engagement assembly abutting the pin on the accelerator pedal assembly; -
FIG. 23 is a partial perspective view similar toFIG. 22 showing the accelerator pedal assembly actuated and the lever of the parking brake engagement assembly no longer abutting the pin on the accelerator pedal assembly; -
FIG. 24 is a simplified side view of the pedal assembly illustrated inFIG. 10 showing some of the components comprising the parking brake engagement assembly including the arm, the engagement element, and the serrate portion; -
FIG. 25A is a simplified side view of the pedal assembly illustrated inFIG. 24 showing the cam surface on the arm engaging a roller on the carriage to prevent engagement of the parking brake as the service brake is actuated; -
FIG. 25B is a simplified side view of the pedal assembly illustrated inFIG. 24 showing the cam surface on the arm disengaged from the roller on the carriage due to actuation of the parking brake pedal with respect to the service brake and allowing engagement of the parking brake; -
FIG. 26 is substantially the same view as illustrated inFIG. 25B with the arm and roller removed for clarity; -
FIG. 27A is a simplified side view of the pedal assembly illustrated inFIG. 24 showing parking brake engaged, the accelerator pedal assembly in the unactuated state, and the lever of the parking brake engagement assembly abutting the pin on the accelerator pedal assembly; -
FIG. 27B is substantially the same view as illustrated inFIG. 27A showing the parking brake becoming disengaged due to actuation of the accelerator pedal assembly; -
FIG. 28 is a more diagrammatic illustration of non-contact switch coupled to a brake pedal, a timer, and brake lamps; -
FIG. 29 is a more diagrammatic illustration of the accelerator pedal, depicting two limit positions of the pedal; and -
FIG. 30 is a more diagrammatic illustration of the brake pedals, depicting two limit positions of the pedal. - Referring to the drawings in detail, wherein like numbers are used to indicate like elements throughout, there is shown in
FIGS. 1-29 a preferred construction of amodular pedal assembly 10 for use with avehicle 1, thevehicle 1 including amotor 2, acontrol circuit 3 operatively connected with themotor 2, and abrake assembly 4. Themodular pedal assembly 10 basically comprises a base 11 removably connectable with thevehicle 1, anaccelerator pedal 12 and at least one and preferably twobrake pedals sensor 15 configured to sense displacement of theaccelerator pedal 12. As depicted inFIG. 29 , theaccelerator pedal 12 is displaceable between a first, initial position PA1, at which thepedal 12 is in an “unactuated state”, and a second, maximum travel position PA2, the pedal 12 being in an, “actuated state” at the second position PA2 and all positions between the two limit positions PAA1, PA2. Preferably, theaccelerator pedal 12 is pivotally coupled with the base 11, so as to be angularly displaceable about anaxis 12 a, and is operatively coupleable with themotor 2 and/or with thecontrol circuit 3. Eachbrake pedal axis FIG. 30 ) and are each operatively coupled with thebrake assembly 4 of thevehicle 1, as discussed below. The “service”brake pedal 13 is used for braking or stopping of thevehicle 1 during vehicle operation and the “parking”brake pedal 14 is used to maintain thebrake assembly 4 engaged with the wheel shafts (not shown) and is releasably lockable at the second position PB2. Preferably, theaccelerator pedal 12 is operatively coupled with theparking brake pedal 14, such that when thebrake pedal 14 is locked at the second position PB2, displacement of theaccelerator pedal 12 releases theparking brake pedal 14 from the second position PB2. - Further, the one or
more sensors 15 are each configured to sense displacement of theaccelerator pedal 14 and each is electrically connectable with thecontrol circuit 3. As such, thecontrol circuit 3 regulates and/or operates themotor 2 and/or operates themotor 2 when thesensor 15 senses displacement of theaccelerator pedal 12, i.e., when theaccelerator pedal 12 “actuates” by displacing from the initial position PA1 toward the second, maximum travel position PA2. Preferably, the one ormore sensors 15 are incorporated into acontrol output regulator 16 of thepedal assembly 10 that also includes ahousing housing housing sensor 15 generally proximal to theaccelerator pedal 12, as described in further detail below. - Referring to
FIGS. 11A and 11B , themodular pedal assembly 10 may be used with avehicle 1 having amotor 2 that is either an electric motor 28 or an internal combustion or “gas”engine 37, the primary difference being the particularcontrol output regulator 16 connected with the base 11. More specifically, when themotor 2 is an electric motor 28, thevehicle 1 includes a battery 31 and thecontrol circuit 3 includes acontroller 27 configured to regulate either the voltage or the current between the battery 31 and the motor 28. An “electric” motorcontrol output regulator 23 preferably includes ahousing 24 and twosensors 15 disposed within thehousing 24, specifically afirst sensor 25 and a second sensor 26. Thefirst sensor 25 is a limit switch electrically connected with thecontroller 27 such that thecontroller 27 is “turned-on” when thepedal 12 displaces from the initial position PA1 and towards the second position PA2. The second sensor 26 is variable resistor or potentiometer configured to generate a signal proportional to a displacement dA of theaccelerator pedal 12 from the initial position PA1, such that thecontroller 27 adjusts either the voltage or current to the motor 28 to be generally proportional to pedal displacement dA (FIG. 29 ). - Alternatively, when the
motor 2 is agas engine 37, theengine 37 has at least one and preferably a plurality of spark plugs and a starter motor, and thecontrol circuit 3 includes a starter circuit with asolenoid 39 operatively coupled with the starter motor and amagneto 41 electrically coupleable with the spark plugs, as depicted inFIG. 11B . A “gas” motorcontrol output regulator 33 preferably includes ahousing 34 and twosensors 15 disposed within thehousing 34, specifically afirst sensor 35 and asecond sensor 36. Thefirst sensor 35 is a limit switch electrically connected with thesolenoid 39 such that thesolenoid 39 is electrically connected with the starter motor of theengine 37 when theaccelerator pedal 12 displaces from the initial position PA1 and towards the second position PA2. Thesecond sensor 37 is a limit switch electrically connected with themagneto 41 such that themagneto 41 is electrically coupled with the spark plugs when theaccelerator pedal 12 displaces from the initial position PA1. Further, with agas engine 37, theengine 37 preferably includes acarburetor 43 with a throttle and theaccelerator pedal 12 is operatively connected with the throttle by means of a cable 43 a. Having described the basic components and operation of the present invention, these and other elements of themodular pedal assembly 12 are described in greater detail below. - Referring first to
FIGS. 1-4 , themodular pedal assembly 10 is preferably used with avehicle 1 that is constructed as a golf car 1 (as shown) or a utility vehicle. Thepreferred vehicle 1 includes a body orchassis 5 that has anunderbody portion 6 to which themodular pedal assembly 10 is preferably mounted. Specifically, theunderbody portion 6 includes a mounting cavity 7 sized to receive thepedal group 10, as discussed in further detail below. Although preferably used with the above-describedvehicle 1, themodular pedal assembly 10 of the present invention may be used with any other type of vehicle. For example, themodular pedal 10 may be used with avehicle 1 that is a standard passenger automobile, a sports utility vehicle, a commercial truck, an off-road vehicle (e.g., dune buggy) having any type of drive system and/or other appropriate structure for connecting thepedal assembly 10 with the vehicle 1 (no alternatives shown). - Preferably, the
pedal assembly 10 is coupled to thevehicle 1 as a modular unit or “module”. Specifically, the base 11 is connectable with thevehicle 1 to connect the entiremodular pedal assembly 10 to thevehicle 1 and the base 11 is alternatively removable from thevehicle 1 to remove the entiremodular pedal assembly 10 from thevehicle 1. A such, thepedals base 1 1 before the base 11 is mounted on thevehicle 1, and then thepedals vehicle 1 when the base 11 is connected or mounted thereto.FIGS. 4 and 5 illustrate how amodular pedal assembly 10 may be mounted with respect tovehicle 1, preferably to thebody 5 of the vehicle. Preferably, the vehicle body orchassis 5 has an aperture or mounting cavity 7 designed to receive and secure themodular pedal assembly 10 to thevehicle 1. Furthermore, the aperture/cavity 7 of thechassis 5 is designed to house and protect many of the moving and electrical parts (if any) from the environment. - As illustrated in
FIG. 5 , themodular pedal assembly 10, including the base 11, thepedals control output regulator 16, is placed within the cavity 7 of the chassis as an assembled module. As such, very little manipulation or adjustment of themodular pedal assembly 10 is required once placed onto thechassis 5. In the illustrated embodiment, for example, thebrake output rod 17 is then connected to thebrake system 4 by abrake cable 4 a, two electrical connections 3 a are made with the control circuit 3 a, 3 b, and depending on the drive system, theaccelerator pedal 12 may be coupled directly to themotor 2. After these items are connected, anupper body panel 8, including floorboards 9, may be placed around and partially over themodular pedal assembly 10 and connected with theunderbody 6. As illustrated, the floorboards 9 cover and protect the cables and electrical components of themodular pedal assembly 10 from the environment. Returning toFIG. 2 , in the fully assembled state only a portion of the pedals and adebris shield 21 of themodular pedal assembly 10 are exposed to the environment. - Although the
pedal assembly 10 is illustrated as being mounted on the floor of avehicle 1, thepedal assembly 10 may be mounted in other areas such as the inclined area between the floorboard and the dash of thevehicle 1. As discussed above and shown inFIGS. 6-11 , themodular pedal assembly 10 has a base 11 and a plurality of pedals coupled to the base 11, which may include any combination of anaccelerator pedal assembly 12, a servicebrake pedal assembly 13, a parkingbrake pedal assembly 14, clutch pedal, or any other appropriate vehicle pedal. Although the illustrated embodiment comprises anaccelerator pedal assembly 12, a servicebrake pedal assembly 13, and a parkingbrake pedal assembly 14, it should be noted that theparking brake pedal 14 is not necessary for all applications. - The pedals may be coupled to the base 11 by one or more moveable connections, such as a pivot. The
accelerator pedal 12 is coupled to the base 11 by afirst pivot 19 and theservice brake 13 andparking brake 14 are coupled to the base 11 by asecond pivot 20. Although two separate pivots are used in the embodiment illustrated in the figures, other embodiments may use more or less pivots then illustrated. For example, some embodiments may use a single pivot for two or more pedals. - Referring to
FIGS. 6-10 and 12, the illustratedaccelerator pedal 12 has ashaft portion 64 that substantially surrounds and couples to thepivot 19. Thepivot 19, as illustrated, is secured to theaccelerator shaft 64 to rotate with theaccelerator 12 when theaccelerator 12 is actuated. Although not illustrated, theshaft 64 may be secured to the pivot by a fastener, a male/female connection, a force fit, a friction fit, adhesive, and the like. Furthermore, theaccelerator pedal 12 does not need to be secured to thepivot 19 in all embodiments. For example, in some embodiments, theshaft portion 64 pivots with respect to the pivot 19 (structure not shown). Returning to the illustrated embodiment of theaccelerator pedal assembly 12, portions of thepivot 19 are coupled to the base 11 via abracket 40 on the base 11. Although not illustrated, these portions of thepivot 19 may rest in bearings mounted to thebracket 40. As best illustrated inFIGS. 9 and 10 , a portion of thepivot 19 extends beyond thebracket 40. This portion of thepivot 19 rotates as theaccelerator 12 is actuated. As will be discussed in greater detail below, this portion of thepivot 19 is coupled to acontrol output regulator 16. - Another
portion 65 of theaccelerator 12 is coupled to one ormore biasing members 18. In some embodiments, the biasing member also has a damper member. The biasingmembers 18 as illustrated inFIG. 6 are also coupled to the base 11. This structure allows theaccelerator pedal 12 to be biased toward the initial or unactuated position PA1. Thus, when theaccelerator pedal 12 is actuated, the biasingmembers 18 exert a force against aportion 65 of theaccelerator pedal 12 and create a torque on the pedal 12 to bias the pedal 12 toward the unactuated position. - The
brake pedal assembly 13 is also coupled to apivot 20. Much like theaccelerator assembly 12, thepivot 20 of thebrake pedal assembly 13 may either be rigidly fixed to the base 11 or may be fixed to thepedal assembly 13 and rotate within the base 11. If thepivot 20 is fixed topedal assembly 13 and rotates relative to the base 11, a bearing may be mounted to the base 11 to reduce the force required to actuated the pedal 13 and to eliminate wear. - As best illustrated in
FIGS. 5-10 and 14-16, theservice brake pedal 13 and theparking brake pedal 14 are disposed adjacent to one another. Each pedal has anarm portion 73, 80 of theassembly shaft arm 81 of theparking brake pedal 14 is nested within thearm 74 of theservice brake 13. As such, actuation of theservice brake pedal 13 alone causes theparking brake pedal 14 to move with theservice brake pedal 13 relative to the base 11, but not relative to theservice brake pedal 13. Theparking brake pedal 14, however, may be partially actuated with respect to theservice brake pedal 13 and the base 11 without causing actuation of theservice brake pedal 13. After a certain range of motion though, theparking brake pedal 14 hits anabutment 79 on theservice brake pedal 13 causing theservice brake pedal 13 to move with it. As will be discussed in greater detail below, further actuation of the parking brake pedal 14 (once it hits theabutment 79 on the service brake pedal 13) causes theservice brake pedal 13 to actuate and the parking brake to engage. - Since the
parking brake pedal 14 always moves upon actuation of theservice brake pedal 13, a biasingmember 18 may be coupled to theparking brake pedal 14 to bias bothpedals more portions 77 of thebrake pedal assemblies output rod 17. These output members may be coupled to a braking system of avehicle 1 once themodular pedal assembly 10 is mounted on thecar 1. - As illustrated in
FIGS. 5-7 , acontrol output regulator 16 is preferably mounted to the base 11 of thepedal assembly 10. Thecontrol output regulator 16 is also coupled to the portion of theaccelerator pedal assembly 12. Thecontrol output regulator 16 has ahousing sensors 15 disposed within thehousing sensors 15 are positioned within thehousing accelerator pedal 12. Since a portion of theaccelerator pivot 19 extends within thehousing control output regulator 16, thesensors 15 preferably detect rotation of thepivot 19. Thecontrol output regulator 16 communicates with the drive system of thevehicle 1 indicating whether theaccelerator pedal 12 is actuated. In some embodiments, thecontrol output regulator 16 also communicates with the drive system the amount of angular displacement dA by which theaccelerator pedal 12 is actuated or displaced. - As discussed above, the
modular pedal assembly 10 may be used on avehicle 1 having either an electric drive system or gas drive system with only minimal modifications. The base 11 and pedals may be identical for both electric drive andgas drive vehicles 1.Vehicles 1 having an electric drive system utilize a motorcontrol output regulator 23, while gas drive systems utilize a gascontrol output regulator 33. The motorcontrol output regulator 23 and the gascontrol output regulator 33 are generally similarly constructed, such that eitherregulator modular pedal assembly 10, which are generally identical in both constructions. Thus, themodular pedal assembly 10 described embodiment requires very minor modifications and relatively few alternative parts to adapt for use with either electric orgas motors 2. As will be discussed below, the main difference between the different types of control output regulators is the type ofsensors housing - As discussed above, the motor
control output regulator 23 is used with avehicle 1 having an electric drive system including an electric motor 28, a battery 31 and acontroller 27. The motorcontrol output regulator 23 has ahousing 24 that is adapted to couple with the base 11. Thehousing 24 also receives a portion of theaccelerator pivot 19 and houses at least one and preferably twosensors 15. In the embodiment illustrated inFIG. 11A , twosensors 25, 26 are contained within thehousing 24. Thefirst sensor 25 is a limit switch, which senses actuation of theaccelerator pedal 12 and is operatively coupled with thecontroller 25 such that thecontroller 27 is “turned-on” when thepedal 12 displaces from the initial position P1A. Once thelimit switch 25 senses actuation of theaccelerator pedal 12 from the at rest, unactuated state, it sends a signal to acontroller 27. Upon receiving a signal from the motorcontrol output regulator 23, thecontroller 27 is “turned-on” and enabled to send a signal to the motor 28. If thecontroller 27 does not receive a signal from thelimit switch 25, thecontroller 27 is in an off state and thus unable to send a signal to the electric motor 28. - The illustrated motor
control output regulator 23 also has a second sensor 26 within thehousing 24. The second sensor is preferably a variable resistor or potentiometer, which senses the amount of actuation or angular displacement dA of theaccelerator pedal 12. The second sensor 26 also communicates with thecontroller 27 and is preferably configured to generate and transmit a variable signal to thecontroller 27 that is generally proportional to the angular displacement dA (FIG. 29 ) of theaccelerator pedal 12. - For example, in one embodiment where the second sensor 26 is a variable resistor such as a potentiometer, the potentiometer 29 preferably sends a variable voltage to the
controller 27 to indicate the amount that theaccelerator 12 is actuated. In one particular embodiment, for example, the potentiometer 29 may be designed to send zero (0) volts to thecontroller 27 when theaccelerator pedal 12 is in the unactuated, at rest state (i.e., located at the initial position PA1) and up to five (5) volts when theaccelerator pedal 12 is in the fully actuated state, i.e., located at the maximum travel position PA2. If, however, theaccelerator pedal 12 is actuated halfway between the at rest, unactuated state and the fully actuated state, the potentiometer 29 sends a signal having a magnitude of around two and one-half (2½) volts to thecontroller 27. As illustrated, the voltage sent to thecontroller 27 varies with the angular displacement dA or position of theaccelerator pedal 12. Once thecontroller 27 receives both signals from thesensors 25, 26, it may then send a signal to the motor 28 of thevehicle 1. The signal may be a variable signal, such as pulse-width-modulation or the like. Upon receiving the signal fromcontroller 27, the motor 28 may then accelerate or decelerate corresponding to the amount theaccelerator pedal 12 is actuated. - As previously mentioned, the gas
control output regulator 33 is preferably constructed generally similarly as the electriccontrol output regulator 23. As such, eithercontrol output regulator modular pedal assembly 10 depending upon the type of drive system utilized. The gascontrol output regulator 33 has ahousing 34 that is adapted to be received upon the base 11. The housing also contains one ormore sensors accelerator pedal 12. - As discussed above, the embodiment of the gas
control output regulator 33 illustrated inFIG. 11B contains twolimit switches first limit switch 35 is part of acontrol circuit 3 that includes a starter circuit with asolenoid 39 operatively coupled with the starter motor of theengine 37. Thefirst limit switch 35 is a normally open state when theaccelerator pedal 12 is in the at rest, unactuated state (i.e., located at the initial position PA1). Since thefirst limit switch 35 is in a normally open state, the first circuit has a normally open condition. However, upon actuation of theaccelerator pedal 12, thefirst sensor 35 closes the circuit and sends a signal to thesolenoid 39 to enable theengine 37 to start idling. Theaccelerator pedal 12 also has an output member, such as a throttle cable 43 a connected with thecarburetor 43 of theengine 37, to directly control the amount of acceleration and deceleration of thevehicle 1 corresponding to the amount theaccelerator 12 is actuated. - The
second limit switch 36 is preferably housed within the gascontrol output regulator 33 as illustrated. Thesecond switch 36 is electrically connected with themagneto 41 connected with the spark plug(s) of theengine 37. Thesecond switch 36 has a normally closed state when theaccelerator pedal 12 is in the at rest, unactuated state (i.e., located at the initial position PA1). When theswitch 36 is in the closed state, it grounds themagneto 41 and kills the spark to the spark plugs. As such, theengine 37 does not idle when theaccelerator pedal 12 is in the at rest, unactuated state. However, upon actuation of theaccelerator pedal 12, thesecond switch 36 opens the portion of thecontrol circuit 3 containing themagneto 41. With thesecond switch 36 open, themagneto 41 is no longer grounded and the spark plugs may generate a spark. Thus, theengine 37 may idle and drive thevehicle 1 depending upon the amount of actuation of theaccelerator pedal 12. - Another independent aspect of the present invention is a parking brake assembly. Although this assembly is shown in many of the figures, it is best illustrated in
FIGS. 10 and 12 -27. As is well know in the vehicle industry, the parking brake may keep thevehicle 1 from rolling with respect to the ground. In the present embodiment, the parking brake is engageable upon actuation of theparking brake pedal 14 with respect to theservice brake pedal 13. As previously described, theparking brake pedal 14 may be actuated independently of theservice brake pedal 13 through a limited range of motion. However, after a the limited range of motion, further actuation of theparking brake pedal 14 may cause actuation of theservice brake pedal 13 due to contact between theparking brake pedal 14 and anabutment 79 on theservice brake pedal 13. It is the actuation of theservice brake pedal 13 while theparking brake pedal 14 is actuated relative to theservice brake pedal 13 that causes the parking brake to engage. Once the parking brake is engaged, actuation of theaccelerator pedal 12 may cause disengagement of the parking brake. - The parking brake illustrated comprises a parking
brake engagement assembly 44 including acarriage 45 coupled to the base 11 and an engagement element orpawl 50 coupled to thecarriage 45. The illustratedcarriage 45 comprises a plurality ofrods 46 and one ormore brackets 47 interconnecting therods 46. One of therods 46 that couples thecarriage 45 to the base 11 defines afirst pivot point 57 for thecarriage 45. Theentire carriage 45 is pivotable about this point with respect to the base 11. Theengagement element 50 is pivotally coupled to anotherrod 46 defining asecond pivot point 58. Thisrod 46 defining thesecond pivot point 58 is also coupled to alever 49. Thelever 49 is adjacent to thecarriage 45 and capable of pivoting independently of thecarriage 45 about thesecond pivot point 58. As will be described in greater detail below, pivotal movement of thelever 49 with respect tocarriage 45 may cause theengagement element 50 to pivot about thesecond pivot point 58. - The
carriage 45, as illustrated inFIG. 10 , is biased by aspring 48 toward thebrake pedal assembly 13. The parkingbrake engagement assembly 44 also comprises a toothed portion orgear 53 coupled to thebrake pedal assembly 13 and anarm 52 coupled to thebrake pedal assembly 13. Thetoothed portion 53 of thebrake pedal assembly 13 is designed to selectively engage theengagement element 50 on thecarriage 45 in the engaged state of the parking brake. Thetoothed portion 53 and theengagement element 50 may be designed to resist disengagement, as illustrated, to prevent unintentional disengagement of the parking brake. Thus, when theengagement element 50 is engaged with thetoothed portion 53 of thebrake pedal assembly 13, the parking brake is engaged or “on.” However, if theengagement element 50 is not engaged with thetoothed portion 53 of thebrake assembly 13 the parking brake is not on. - The carriage 45 (which includes the engagement element 50) is biased towards the
brake pedal assembly 13, 14 (which includes the toothed portion 53). Thus, without an apparatus to keep theengagement element 50 separate from thetoothed portion 53, theengagement element 50 would engage thetoothed portion 53 upon actuation of theservice brake pedal 13 during normal driving conditions and unintentionally engage the parking brake. Therefore, amoveable arm 52 is coupled to thebrake pedal assembly engagement element 50 with respect to thetoothed portion 53 and prevent unintentional engagement. - The
arm 52 has a first position that prevents engagement of theengagement element 50 with thetoothed portion 53 and a second position which allows engagement between theengagement element 50 andtoothed portion 53. In the first position, thearm 52 allows actuation of theservice brake pedal 13 without the parking brake engaging. In the second position of thearm 52, however, engagement between theengagement element 50 and thetoothed portion 53 during actuation of theservice brake pedal 13 is enabled. The position of thearm 52 is controlled by theparking brake pedal 14. Thearm 52 stays in the first position to prevent engagement of the parking brake while theparking brake pedal 14 is not sufficiently actuated with respect to theservice brake pedal 13. Sufficient actuation of theparking brake pedal 14 with respect to theservice brake pedal 14 places thearm 52 in the second position and enables engagement of the parking brake. Movement of thearm 52 is caused by the relative motion between thepedals parking brake pedal 13 with respect to theservice brake pedal 14 causes a torque on thearm 52. In the illustrated embodiment, thearm 52 is coupled to theservice brake pedal 13 by afirst pin 60 and coupled to theparking brake pedal 14 by asecond pin 55. Thus the relative motion between the twopedals arm 52. - In some embodiments, the
arm 52 has a cammed surface on it and the carriage has aroller 51 adjacent theengagement element 50. Thus, theroller 51 rides on the cammed surface in the first position of thearm 52 and the parking brake is prevented from engaging. Theroller 51 does not sufficiently engage the cam surface of thearm 52 in the second position of thearm 52 to prevent the parking brake from engaging. - Once the parking brake is engaged it may be released upon actuation of the
accelerator pedal 12. As illustrated inFIG. 12 , apin 54 is couple to a portion of the accelerator pedal assembly. When the parking brake is engaged, thelever 49 coupled to thecarriage 45 abuts thispin 54 and is biased towards thepin 54. Thelever 49 is pivotally coupled to thecarriage 45 about thesecond pivot point 58 and pivotable about thesecond pivot point 58 independent of thecarriage 45. Without thelever 49 abutting thepin 54, the parking brake could disengage due to a torque placed on theengagement element 50 by thetoothed portion 53. Thus, when thepin 54 is moved away from the lever 49 (by actuation of the accelerator) the torque placed upon theengagement element 50 fromtoothed portion 53 coupled to thebrake assembly 13 may cause theengagement element 50 to pivot about thesecond pivot point 58 and the parking brake to release. - As shown if
FIGS. 23 and 27 B, upon substantial actuation (4 degrees in the illustration) of theaccelerator pedal 12, thelever 49 no longer abuts thepin 54. Thus, theengagement element 50 is able to pivot about thesecond pivot point 58 to release the parking brake. As mentioned above, theengagement element 50 may be caused to pivot about thesecond pivot point 58 by the torque placed upon it from the parking brake assembly, frombias elements 48 coupled to thecarriage 45, or any combination thereof. - The operation of the parking brake assembly will now be discussed with reference to
FIGS. 24-27 .FIG. 24 shows a parking brake assembly in the disengaged state. In other words, the parking brake is not engaged. As illustrated, thecarriage 45 has afirst pivot point 57, asecond pivot point 58, and an engagement element orpawl 50 attached to thecarriage 45 at thesecond pivot point 58. Anarm 52 is coupled to thebrake pedal assembly carriage 45 to prevent the parking brake from engaging.FIG. 25A shows the assembly illustrated inFIG. 24 with several parts removed for the sake of clarity. This figure also shows theservice brake pedal 13 actuated. As previously discussed, actuation of theservice brake pedal 13 also causes actuation of theparking brake pedal 14. However, theparking brake pedal 14 is not actuated with respect to theservice brake pedal 13 in this figure. Thus, although thearm 52 is actuated relative to the base 11, thearm 52 stays in the first position illustrated inFIG. 24 with respect to thepedals engagement element 50 from engaging thetoothed portion 53 due to aroller 51 on thecarriage 45 riding on a cam surface of thearm 52. - Referring to
FIG. 25B , however, shows theservice brake pedal 13 actuated and theparking brake pedal 14 actuated with respect to theservice brake pedal 13. As such, thearm 52 pivots (with respect to the pedals) to the second position shown in this figure and enables the parking brake to engage. With the parking brake engaged, aprojection 59 on theengagement element 50 engages thetoothed portion 53 and holds theservice brake pedal 13 in the actuated position. Thus, this illustration shows the parking brake in the engaged position.FIG. 26 also illustrates the parking brake in the engaged position with several parts, such as thearm 52 androller 51 removed for clarification.FIG. 27A is similar toFIG. 25B , however, it further illustrates thepin 54 on theaccelerator 12, which prevents theengagement element 50 from being torqued out of engagement with thetoothed portion 53. - Finally,
FIG. 27B illustrates theaccelerator 12 actuated by about four degrees from the at rest, unactuated or initial position PB1. As such, thepin 54 on theaccelerator 12 no longer abuts thelever 49 adjacent thecarriage 45. Thus, as illustrated, theengagement element 50 is capable of rotating about thesecond pivot point 58 to begin disengaging the parking brake. Although not illustrated in this figure or any other figures, theengagement element 50 would continue to rotate about thesecond pivot point 58 and completely disengage the parking brake. - The
brake system 4 may also include an infrared switch 88 or other non-contact sensor to detect actuation of thebrake pedal assembly 13. This switch 88 may be coupled to thebrake lamps 8 to indicate whether thebrake pedal 13 is actuated. The switch may have areceiver 90 and a transmitter 89 communicating with thereceiver 90. Any change in the state of the message received by thereceiver 90 indicates that the state of thebrake pedal 13 has changed. - The
brake lamp switch 8 in some embodiments is a solid state construction, with the switch attached to the base 11 of thepedal assembly 10. Ashutter 92 is attached to theservice brake 13 and moveable with theservice brake 13. As theservice brake 13 is actuated, theshutter 92 moves within a groove in the switch housing 88. In some embodiments, the switch 88 may have positive switching circuitry including a normally open state. Thus, when theshutter 92 disrupts the infrared beam or communication between the transmitter 89 and thereceiver 90, the circuit closes and thebrake lamps 8 are illuminated. Furthermore, movement of the pedal 13 back to the unactuated state would move theshutter 92 and discontinue output of thebrake lamps 8. - Since the
parking brake pedal 14 and theservice brake pedal 13 are arranged in some embodiments to be driven together, either brake pedal may actuate the light switch 88. As the infrared switch 88 is a non-contact switch, wear is eliminated. The switch 88 may allow thebrake lamps 8 to be illuminated while thevehicle 1 is in the parked condition. The brake lamp illumination system may be equipped with atimer 91 to provide illumination of thebrake lamps 8 when the car is parked. Thetimer 91 may be programmed to allow thebrake lamps 8 to be illuminated for a predetermined period of time while the parking brake is engaged. A period of several minutes, such as four minutes for example, is reasonable to avoid dangerous situations, but yet preserves battery life of thevehicle 1. Once timed out, thebrake lamps 8 may no longer be illuminated without another input into the system, such as re-actuation or further actuation of thebrake pedal 13. - The embodiments described above and illustrated in the figures are presented by way of example only and are not intended as a limitation upon the concepts and principles of the present invention. As such, it will be appreciated by one having ordinary skill in the art that various changes in the elements and their configuration and arrangement are possible without departing from the spirit and scope of the present invention. For example, various alternatives to the features and elements of the assemblies are described with reference to a particular referenced assembly. With the exception of features, elements, and manners of operation that are mutually exclusive to or are inconsistent with each illustrated embodiment described above, it should be noted that the alternative features, elements, and manners of operation described with reference to each of the assemblies are applicable to the other embodiments. Additionally, the infrared switch 88 and/or the
timer 91 described above may be coupled to a vehicle in a conventional manner individually or as a modular unit. Similarly, the parkingbrake engagement assembly 44 discussed above may be mounted to avehicle 1 in a conventional manner individually, may be mounted to a vehicle as a modular parking brake assembly, or may be mounted to avehicle 1 as part of amodular pedal assembly 10. Furthermore, although the embodiments discussed above are illustrated and referenced with regard to a vehicle, the teachings of the present invention apply equally to many types of vehicles, including utility vehicles.
Claims (57)
1. A modular pedal assembly for use with a vehicle, the vehicle including a motor, a control circuit operatively connected with the motor, and a brake assembly, the pedal assembly comprising:
a base removably connectable with the vehicle;
a brake pedal movably coupled with the base and operatively coupleable with the brake assembly;
an accelerator pedal movably coupled with the base so as to be displaceable between a first position and a second position and operatively coupleable with one of the motor and the control circuit; and
a sensor configured to sense displacement of the accelerator pedal and electrically connectable with the control circuit such that the circuit at least one of regulates the motor and operates the motor when the sensor senses displacement of the accelerator pedal.
2. The modular pedal assembly as recited in claim 1 wherein the base is connectable with the vehicle to connect the entire modular pedal assembly to the vehicle and the base is alternatively removable from the vehicle to remove the entire modular pedal assembly from the vehicle.
3. The modular pedal assembly as recited in claim 1 wherein:
the brake pedal is displaceable between a first position at which the brake assembly is unactivated and a second position at which the brake assembly is activated, the brake pedal being releasably lockable at the second position; and
the accelerator pedal is operatively coupled with the brake pedal such that when the brake pedal is locked at the second position, displacement of the pedal releases the brake pedal from the second position.
4. The modular pedal assembly as recited in claim 1 wherein:
the motor is a selected one of an electric motor and an internal combustion engine;
the control circuit is a selected one an electric motor control circuit configured for use with an electric motor and an engine control circuit configured for use with an engine; and
the sensor is a selected one of a sensor configured for use with an electric motor and a sensor configured for use with an internal combustion engine.
5. The modular pedal assembly as recited in claim 1 wherein the sensor is disposed within a housing removably connected with the base so as to position the sensor generally proximal to the accelerator pedal.
6. The modular pedal assembly as recited in claim 1 wherein:
the motor is an electric motor, the vehicle includes a battery, and the control circuit is configured to regulate one voltage and current between the battery and the motor; and
the sensor is a variable resistor configured to generate a signal proportional to a displacement of the accelerator pedal from the initial position such that the control circuit adjusts the one of the voltage and current to the motor to be generally proportional to pedal displacement.
7. The modular pedal assembly as recited in claim 1 wherein the motor is an electric motor, the vehicle includes a battery, and the control circuit is configured to regulate one voltage and current between the battery and the motor; and
the sensor is a switch electrically connected with the controller such that the controller is turned-on when the pedal displaces from the initial position and towards the second position.
8. The modular pedal assembly as recited in claim 1 wherein the
the motor is an electric motor, the vehicle includes a battery, and the control circuit is configured to regulate one voltage and current between the battery and the motor;
the sensor is a variable resistor configured to generate a signal proportional to a displacement of the accelerator pedal from the initial position such that the control circuit adjusts the one of the voltage and current to the motor to be generally proportional to pedal displacement; and
the modular pedal assembly further comprises a second sensor disposed generally proximal to the accelerator pedal, the second sensor being a switch electrically connected with the controller such that the controller is turned-on when the pedal displaces from the initial position and towards the second position.
9. The modular pedal assembly as recited in claim 1 wherein:
the motor includes an internal combustion engine and a starter motor and the control circuit includes a starter circuit with a solenoid operatively coupled with the starter motor; and
the sensor is a switch electrically connected with the solenoid such that the solenoid is electrically connected with the starter motor when the pedal displaces from the initial position and towards the second position.
10. The modular pedal assembly as recited in claim 1 wherein:
the motor includes an internal combustion engine having at least one spark plug and the control circuit includes a magneto electrically coupleable with the spark plug; and
the sensor is a switch electrically connected with the magneto such that the magneto is electrically coupled with the spark plug when the pedal displaces from the initial position and towards the second position.
11. The modular pedal assembly as recited in claim 1 wherein:
the motor includes an internal combustion engine having at least one spark plug and a starter motor, the control circuit includes a starter circuit with a solenoid operatively coupled with the starter motor and a magneto electrically coupleable with the spark plug;
the sensor is a switch electrically connected with the solenoid such that the solenoid is electrically connected with the starter motor when the pedal displaces from the initial position and towards the second position;
the modular pedal assembly further comprises a second sensor disposed generally proximal to the accelerator pedal, the second sensor being a switch electrically connected with the magneto such that the magneto is electrically coupled with the spark plug when the pedal displaces from the initial position and towards the second position.
12. A modular pedal assembly mountable as a module upon a vehicle having a brake assembly and adaptable for use on a vehicle having either a gas engine or an electric motor drive, the modular pedal assembly having a mounted state in which the modular pedal assembly is mounted in the vehicle and an unmounted state, the modular pedal assembly comprising:
a base adapted to be mounted in a vehicle in the mounted state;
a first pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly and having a portion coupled to the brake assembly in the mounted state of the modular pedal assembly;
a second pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly and having a portion coupled to the drive in the mounted state of the modular pedal assembly, the second pedal having an unactuated state and an actuated state, the actuated state defined by pivotal movement of the second pedal with respect to the base; and
a control output regulator coupled to the second pedal in the unmounted state of the modular pedal assembly and also electrically coupled to the drive assembly in the mounted state of the modular pedal assembly, the control output regulator adaptable to be used with vehicles driven by gas engines and electrical motors, the control output regulator having a sensor configured to detect the pivotal position of the second pedal and to communicate the position to the drive in the mounted state of the modular pedal assembly.
13. The modular pedal assembly as recited in claim 12 , wherein the sensor is a first sensor and the control output regulator further includes a second sensor positioned to detect the pivotal position of the second pedal and able to communicate the position to the drive in the mounted state of the modular pedal assembly.
14. The modular pedal assembly as recited in claim 13 , wherein the first sensor is a limit switch and the second sensor is a potentiometer, the limit switch senses the state of the second pedal in the mounted state of the modular pedal assembly and communicates the state to the electrical motor drive, the potentiometer senses the state of the second pedal in the mounted state of the modular pedal assembly and communicates the state to the electrical motor drive by sending a voltage that varies with the position of the second pedal.
15. The modular pedal assembly as recited in claim 13 , wherein the first sensor is a first limit switch and the second sensor is a second limit switch, the first and second limit switches having an open and closed state, the first limit switch senses the state of the second pedal in the mounted state of the modular pedal assembly and communicates the state to the gas engine drive via a first circuit, the second limit switch senses the state of the second pedal in the mounted state of the modular pedal assembly and communicates the state to the gas engine drive via a second circuit, the gas engine drive operable with the first limit switch closed and the second limit switch open and inoperable with the first limit switch open and the second limit switch closed.
16. The modular pedal assembly as recited in claim 12 , further comprising a third pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly and having a portion coupled to the brake assembly in the mounted state of the modular pedal assembly.
17. A method of making a vehicle, comprising:
fabricating a vehicle body;
selecting a type of drive system for the vehicle, including selecting one of an electric motor and a gas engine;
coupling one of an electric motor and gas engine to the body corresponding to the type of drive system selected;
coupling a brake system to the body;
assembling a modular pedal assembly, including the steps of:
providing a base;
coupling a brake pedal to the base;
coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state;
selecting a control output regulator corresponding to the type of drive system selected, including selecting one of a gas control output regulator and a motor control output regulator; and
coupling the control output regulator selected to the accelerator pedal, the control output regulator having a sensor to sense the state of the accelerator pedal;
coupling the modular pedal assembly to the body; and
coupling the modular pedal assembly to the drive system and to the brake system.
18. The method of making a vehicle as recited in claim 17 , wherein:
the sensor is a first sensor;
the vehicle has an electric motor drive system having a controller electrically coupled to the motor:
the control output regulator further includes a second sensor; and
the step of coupling the modular pedal assembly to the drive system further includes:
coupling the first sensor to the accelerator pedal and to the controller, the first sensor capable of sending a first signal to the controller indicating the position of the accelerator pedal; and
coupling the second sensor to the accelerator pedal and to the controller, the second sensor capable of sending a second signal to the controller indicating the position of the accelerator pedal, the second signal is a variable signal depending upon the amount of movement of the accelerator pedal.
19. The method of making a vehicle as recited in claim 18 , further comprising the steps of:
forming a first circuit between the first sensor and the controller, the first circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state; and
forming a second circuit between the second sensor and the controller, the second circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state, the controller being incapable of sending an electric current to the motor if one of the first and second circuits are open.
20. The method of making a vehicle as recited in claim 17 , wherein:
the sensor is a first sensor;
the vehicle has a gas engine drive system;
the control output regulator further includes a second sensor; and
the step of coupling the modular pedal assembly to the drive system further includes:
coupling the first sensor to the accelerator pedal and to the engine, the first sensor capable of sending a first signal to the engine indicating the position of the accelerator pedal; and
coupling the second sensor to the accelerator pedal and to the engine, the second sensor capable of sending a second signal to the engine indicating the position of the accelerator pedal.
21. The method of making a vehicle as recited in claim 20 , further comprising the steps of:
forming a first circuit between the first sensor and the engine, the first circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state; and
forming a second circuit between the second sensor and the engine, the second circuit having an open state when the accelerator pedal is in the actuated state and a closed state when the accelerator pedal is in the unactuated state, the engine operable with the first circuit closed and the second circuit open and inoperable with the first circuit open and the second circuit closed.
22. A vehicle manufactured by:
fabricating a vehicle body;
selecting a type of drive system for the vehicle, including selecting one of an electric motor and a gas engine;
coupling one of an electric motor and gas engine to the body corresponding to the type of drive system selected;
coupling a brake system to the body;
assembling a modular pedal assembly, including the steps of:
providing a base;
coupling a brake pedal to the base;
coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state;
selecting a control output regulator corresponding to the type of drive system selected, including selecting one of a gas control output regulator and a motor output regulator; and
coupling the control output regulator selected to the accelerator pedal, the control output regulator having a sensor to sense the state of the accelerator pedal;
coupling the modular pedal assembly to the body; and
coupling the modular pedal assembly to the drive system and to the brake system.
23. The vehicle manufactured in accordance with the method of claim 22 , wherein:
the sensor is a first sensor;
the vehicle has an electric motor drive system having a controller electrically coupled to the motor;
the control output regulator further includes a second sensor; and
the step of coupling the modular pedal assembly to the drive system further includes:
coupling the first sensor to the accelerator pedal and to the controller, the first sensor capable of sending a first signal to the controller indicating the position of the accelerator pedal; and
coupling the second sensor to the accelerator pedal and to the controller, the second sensor capable of sending a second signal to the controller indicating the position of the accelerator pedal, the second signal is a variable signal depending upon the amount the accelerator pedal actuated.
24. The vehicle manufactured in accordance with the method of claim 23 , further comprising the steps of:
forming a first circuit between the first sensor and the controller, the first circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state; and
forming a second circuit between the second sensor and the controller, the second circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state, the controller incapable of sending an electric current to the motor if one of the first and second circuits are open.
25. The vehicle manufactured in accordance with the method of claim 22 , wherein:
the sensor is a first sensor;
the vehicle has a gas engine drive system;
the control output regulator further includes a second sensor; and
the step of coupling the modular pedal assembly to the drive system further includes:
coupling the first sensor to the accelerator pedal and to the engine, the first sensor capable of sending a first signal to the engine indicating the position of the accelerator pedal; and
coupling the second sensor to the accelerator pedal and to the engine, the second sensor capable of sending a second signal to the engine indicating the position of the accelerator pedal.
26. The vehicle manufactured in accordance with the method of claim 25 , further comprising the steps of:
forming a first circuit between the first sensor and the engine, the first circuit having an open state when the accelerator pedal is in the unactuated state and a closed state when the accelerator pedal is in the actuated state; and
forming a second circuit between the second sensor and the engine, the second circuit having an open state when the accelerator pedal is in the actuated state and a closed state when the accelerator pedal is in the unactuated state, the engine operable with the first circuit closed and the second circuit open and inoperable with the first circuit open and the second circuit closed.
27. A modular pedal assembly mountable as a module in a vehicle, the modular pedal assembly having a mounted state in which the modular pedal assembly is mounted in the vehicle and an unmounted state, the modular pedal assembly comprising:
a base adapted to be mounted in a vehicle in the mounted state;
a brake pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly;
an accelerator pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly; and
a parking brake assembly coupled to the base in the unmounted state of the modular pedal assembly, the parking brake assembly moveable between a coupled and uncoupled position with respect to the brake pedal, the parking brake assembly having:
an engagement element, on the engagement element at least one of a projection and a recess;
at least one of the other of the projection and the recess on the brake pedal, the at least one of the projection and the recess on the engagement element selectively engageable with the at least one of the other of the projection and the recess on the brake pedal, engagement of the at least one of the projection and the recess on the engagement element with the at least one of the other of the projection and the recess on the brake pedal defining the coupled position of the parking brake assembly; and
an arm coupled to the brake pedal and having a first position and a second position with respect to the engagement element, the first position of the arm restricting engagement of the engagement element with the brake pedal and defining the uncoupled position of the parking brake assembly, the second position of the arm allows engagement of the engagement element with the brake pedal defining the coupled position of the parking brake assembly.
28. The modular pedal assembly as recited in claim 27 , wherein the arm is moveable from the first position to the second position due to actuation of a portion of the brake pedal.
29. The modular pedal assembly as recited in claim 28 , wherein the portion of brake pedal is a parking brake pedal coupled to the brake pedal.
30. The modular pedal assembly as recited in claim 27 , wherein the arm is moveable from the second position to the first position due to movement of the accelerator pedal from the unactuated state to the actuated state.
31. The modular pedal assemble as recited in claim 27 , wherein the brake pedal is a service break pedal and the parking brake assembly further includes an parking brake pedal pivotally coupled to the base in the unmounted state of the modular pedal assembly and having a portion coupled to the braking assembly in the mounted state of the modular pedal assembly, the arm is moveable from the first position to the second position due to actuation of the parking brake pedal with respect to the service brake pedal.
32. The modular pedal assembly as recited in claim 27 , wherein the arm of the parking brake assembly includes a cam surface and the parking brake assembly further includes a roller coupled to the engagement element, the cam engages the roller in the first position to restrict engagement of the engagement element with the brake pedal and the cam does not sufficiently engage the roller in the second position to enable engagement of the engagement element with the brake pedal.
33. The modular pedal assembly as recited in claim 27 , wherein the at least one of the other of the projection and the recess on the brake pedal includes a toothed surface on the brake pedal and the at least one of the projection and the recess on the engagement element includes a projection on a pivotable pawl, the projection on the pivotal pawl selectively engageable with the toothed surface on the brake pedal.
34. A parking brake assembly for a vehicle having a chassis, a brake pedal coupled to the chassis, and an accelerator pedal coupled to the chassis, the brake pedal and the accelerator each having an unactuated state and an actuated state, the parking brake assembly having a coupled position with respect to the brake pedal in which movement of the vehicle is restricted and an uncoupled position with respect to the brake pedal in which movement of the vehicle is enabled, the parking brake assembly comprising:
an engagement element coupled to the chassis and moveable between an engaged and disengaged position with respect to the brake pedal, the engagement element having at least one of a projection and a recess;
a portion of the brake pedal having at least one of the other of the projection and the recess, the at least one of the projection and the recess on the engagement element selectively engageable with the at least one of the other of the projection and the recess on the brake pedal, engagement of the at least one of the projection and the recess on the engagement element with the at least one of the other of the projection and the recess on the brake pedal to partially define the coupled position of the parking brake assembly; and
an arm coupled to the brake pedal and having a first position and a second position with respect to the engagement element, the first position of the arm restricting engagement of the engagement element with the portion of the brake pedal and defining the uncoupled position of the parking brake assembly, the second position of the arm allowing engagement of the engagement element with the portion of the brake pedal to partially define the coupled position of the parking brake assembly.
35. The modular pedal assembly as recited in claim 34 , wherein the arm is moveable from the first position to the second position due to movement of a second portion of the brake pedal from the unactuated position to the actuated position.
36. The modular pedal assembly as recited in claim 35 , wherein the second portion of brake pedal is a parking brake pedal coupled to the brake pedal.
37. The modular pedal assembly as recited in claim 34 , wherein the arm is moveable from the second position to the first position due to movement of the accelerator pedal from the unactuated state to the actuated state.
38. The modular pedal assemble as recited in claim 34 , wherein the parking brake assembly further includes an parking brake pedal pivotally coupled to the chassis and adjacent the brake pedal, the arm is moveable from the first position to the second position due to actuation of the parking brake pedal with respect to the brake pedal.
39. The modular pedal assembly as recited in claim 34 , wherein the arm of the parking brake assembly includes a cam surface and the parking brake assembly further includes a roller coupled to the engagement element, the cam engages the roller in the first position to restrict engagement of the engagement element with the brake pedal and cam does not engage the roller in the second position to allow engagement of the engagement element with the brake pedal.
40. The modular pedal assembly as recited in claim 34 , wherein the at least one of the other of the projection and the recess on the brake pedal includes a toothed surface on the brake pedal and the at least one of the projection and the recess on the engagement element includes a projection on a pivotable pawl, the projection on the pivotal pawl selectively engageable with the toothed surface on the brake pedal to prevent rolling motion of the vehicle.
41. A method of assembling a vehicle having a modular pedal assembly, the method comprising:
fabricating a vehicle chassis;
coupling a drive system to the chassis;
coupling a brake system to the chassis;
assembling a parking brake assembly, including the steps of:
providing a carriage; and
coupling a pawl to the carriage;
assembling a modular pedal assembly, including the steps of:
providing a base;
coupling a brake pedal to the base, the brake pedal having a toothed portion for selective engagement with the pawl and an arm pivotally coupled to the brake pedal, the arm selectively engageable with a portion of the parking brake assembly;
coupling an accelerator pedal to the base, the accelerator pedal having an unactuated state and an actuated state;
positioning the parking brake assembly adjacent the brake pedal and the accelerator pedal for selective engagement with the brake pedal and the accelerator pedal; and
coupling the parking brake assembly to the base for movement between an engaged position and a disengaged position with respect to the brake pedal;
coupling the modular pedal assembly to the body as a module; and
coupling the modular pedal assembly to the drive system and to the brake system.
42. The method as recited in claim 41 , wherein the step of assembling a parking brake assembly further includes coupling a roller to the carriage, the arm selectively engageable with the roller.
43. A method of controlling the movement of a vehicle with respect to the ground, the method comprising:
depressing a service brake pedal;
actuating a parking brake pedal;
moving an arm coupled to the parking brake pedal responsive to actuating the parking brake pedal with respect to the service brake pedal, the arm moved from a first position in which the arm prevents engagement of a pawl with a gear to a second position in which the arm does not prevent engagement of the pawl with the gear;
moving the pawl towards the service brake pedal responsive to moving the arm;
engaging the pawl with the service brake pedal to prevent rolling motion of the vehicle;
depressing the accelerator pedal to enable rolling motion;
pivoting the pawl with respect to the brake pedal responsive to depressing the accelerator pedal; and
disengaging the pawl from the service brake pedal responsive to pivoting the pawl.
44. The method as recited in claim 43 , further comprising the step of preventing rotation of the pawl with the accelerator following the step of engaging the pawl with the service brake pedal.
45. The method as recited in claim 43 , further comprising moving the arm to the first position to prevent engagement of the pawl with service brake pedal until the parking brake pedal is actuated following disengaging the pawl from the brake pedal.
46. A brake lamp illumination system for a vehicle having a braking system operable with a brake pedal, the brake pedal having an actuated state and an unactuated state, the brake lamp illumination system comprising:
a circuit having an open state corresponding to the unactuated state of the brake pedal and a closed state corresponding to the actuated state of the brake pedal;
a non-contact switch coupled to the circuit and adjacent the brake pedal, the non-contact switch having a transmitter and a receiver, the transmitter capable of communicating with the receiver with the brake pedal in the unactuated state and incapable of communicating with the receiver with the pedal in the actuated state; and
a brake lamp coupled to the circuit, the light having a non-illuminated state when the circuit is open and an illuminated state when the circuit is closed.
47. The brake lamp illumination system as recited in claim 45 , further comprising a timer coupled to the brake lamp and able to change the state of the brake lamp from the illuminated state to the non-illuminated state while the circuit is closed for a predetermined period of time.
48. The brake lamp illumination system as recited in claim 45 , wherein the non-contact switch is an infrared switch.
49. A brake lamp illumination system for a vehicle having a braking system operable with brake pedal, the brake pedal having an actuated state and an unactuated state, the brake lamp illumination system comprising:
a switch adjacent the brake pedal, the switch having an open state corresponding to one of the actuated state and the unactuated state of the brake pedal and a closed state corresponding to the other of the actuated state and the unactuated state of the brake pedal, movement of the brake pedal between states changes the state of the switch;
a circuit having an open state corresponding to the open state of the switch and a closed state corresponding to the closed state of the switch;
a brake lamp coupled to the circuit, the light having a non-illuminated state when the circuit is open and an illuminated state when the circuit is closed; and
a timer coupled to the brake lamp and able to change the state of the brake lamp from the illuminated state to the non-illuminated state while the circuit is closed for a predetermined period of time.
50. The brake lamp illumination system as recited in claim 49 , wherein the switch is a non-contact switch having a transmitter and a receiver, the transmitter capable of communicating with the receiver with the brake pedal in one of the actuated state and the unactuated state and incapable of communicating with the receiver with the pedal in the other of the actuated state and the unactuated state.
51. The brake lamp illumination system as recited in claim 49 , wherein the non-contact switch is an infrared switch.
52. A method of controlling the illumination of a brake lamp on a vehicle, comprising the steps of:
providing a circuit between a brake lamp and a non-contact switch adjacent a brake pedal;
sending a signal within a non-contact switch from a transmitter to a receiver; actuating a brake pedal;
preventing the signal from reaching the receiver;
closing the circuit responsive to preventing the signal from reaching the receiver; and
illuminating the brake lamp responsive to closing the circuit.
53. The method as recited in claim 52 , further comprising the steps of:
timing the period of illumination for the brake lamp; and
preventing illumination of the brake lamp after a predetermined period of time.
54. The method as recited in claim 52 , wherein the step of preventing the signal from reaching the receiver further includes the substeps of:
positioning a portion of the brake pedal between the transmitter and the receiver; and
blocking the signal from receiving the receiver with a portion of the brake pedal.
55. The method as recited in claim 52 , further comprising the steps of:
returning the brake pedal to the unactuated state;
allowing the signal to reach the receiver:
opening the circuit; and
preventing illumination of the brake lamp by returning the pedal to the unactuated state.
56. A method of controlling the illumination of a brake lamp on a vehicle, comprising the steps of:
providing a circuit between a brake lamp and a switch adjacent a brake pedal;
actuating a brake pedal;
closing the switch by actuating the brake pedal;
closing the circuit responsive to closing the switch;
illuminating the brake lamp responsive to closing the circuit;
timing the period of illumination for the brake lamp; and
preventing illumination of the brake lamp after a predetermined period of time.
57. The method as recited in claim 56 , wherein the switch is an infrared switch having a transmitter and a receiver and the step of closing the switch by actuating the brake pedal further comprises preventing the transmitter from communicating with the receiver with a portion of the brake pedal.
Priority Applications (2)
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US12/903,289 US10296036B2 (en) | 2003-01-24 | 2010-10-13 | Modular pedal assembly for vehicles |
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US20080229868A1 (en) * | 2003-12-23 | 2008-09-25 | Jean Populaire | Brake Pedal Device For Effecting Service Braking and Lock Braking |
US20070284849A1 (en) * | 2004-07-26 | 2007-12-13 | Yamaha Hatsudoki Kabushiki Kaisha | Speed Change Controller for Saddle-Ride Type Vehicles |
US8403093B2 (en) | 2004-07-26 | 2013-03-26 | Yamaha Hatsudoki Kabushiki Kaisha | Speed change controller for saddle-ride type vehicles |
US20070138863A1 (en) * | 2005-11-01 | 2007-06-21 | Warren Clark | Modular Pedal Box Assembly |
US20080169699A1 (en) * | 2007-01-12 | 2008-07-17 | Gm Global Technology Operations, Inc. | Pedal Travel Audit System |
US7604303B2 (en) * | 2007-01-12 | 2009-10-20 | Gm Global Technology Operations, Inc. | Pedal travel audit system |
US8205523B2 (en) * | 2007-12-10 | 2012-06-26 | Club Car, Llc | Pedal assembly for vehicles |
US20090145260A1 (en) * | 2007-12-10 | 2009-06-11 | Club Car, Inc. | Pedal assembly for vehicles |
US20110139556A1 (en) * | 2007-12-20 | 2011-06-16 | Kiviahde Mark M | Foot brake for propulsion vehicles |
US20090206627A1 (en) * | 2008-01-24 | 2009-08-20 | Duplantis Scott J | Dash assembly for golf cars or similar vehicles |
US8182018B2 (en) | 2008-01-24 | 2012-05-22 | Club Car, Llc | Dash assembly for golf cars or similar vehicles |
GB2475711A (en) * | 2009-11-27 | 2011-06-01 | Sunpex Technology Co Ltd | Mobility pedal structure for electric scooter |
USD746174S1 (en) * | 2013-03-15 | 2015-12-29 | Jimmy Storms | Golf cart rear body |
USD892676S1 (en) | 2017-01-25 | 2020-08-11 | Jh Global Services, Inc. | Powered golf car |
USD867205S1 (en) | 2017-01-26 | 2019-11-19 | Jh Global Services, Inc. | Vehicle dash for a golf car |
USD855842S1 (en) | 2017-02-02 | 2019-08-06 | Jh Global Services, Inc. | Tail lights for golf car |
USD856549S1 (en) | 2017-02-03 | 2019-08-13 | Jh Global Services, Inc. | Headlights for a golf car |
USD903556S1 (en) | 2018-08-10 | 2020-12-01 | Ka Group Ag | Pedal apparatus |
USD913877S1 (en) | 2018-08-10 | 2021-03-23 | Ka Group Ag | Pedal apparatus |
USD916632S1 (en) | 2018-08-10 | 2021-04-20 | Ka Group Ag | Pedal apparatus |
USD917354S1 (en) | 2018-08-10 | 2021-04-27 | Ka Group Ag | Pedal apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR20050109470A (en) | 2005-11-21 |
WO2004068254A3 (en) | 2004-11-11 |
KR101271301B1 (en) | 2013-06-04 |
JP2006520286A (en) | 2006-09-07 |
AU2004207396A1 (en) | 2004-08-12 |
EP1588226B1 (en) | 2007-03-14 |
WO2004068254A2 (en) | 2004-08-12 |
AU2009213100B2 (en) | 2012-04-26 |
AU2009213100A1 (en) | 2009-10-08 |
US20110023652A1 (en) | 2011-02-03 |
WO2004068254A9 (en) | 2004-09-30 |
PT1588226E (en) | 2007-05-31 |
ES2281782T3 (en) | 2007-10-01 |
US10296036B2 (en) | 2019-05-21 |
EP1588226A2 (en) | 2005-10-26 |
AU2004207396B2 (en) | 2009-06-11 |
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