US3598947A - Pedal operated control for electric fishing motors - Google Patents

Pedal operated control for electric fishing motors Download PDF

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Publication number
US3598947A
US3598947A US873187A US3598947DA US3598947A US 3598947 A US3598947 A US 3598947A US 873187 A US873187 A US 873187A US 3598947D A US3598947D A US 3598947DA US 3598947 A US3598947 A US 3598947A
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Prior art keywords
pedal
base
motor
switch
shaft
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US873187A
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Ralph C Osborn
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OSBORN ENGINEERING CORP
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OSBORN ENGINEERING CORP
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02Details
    • H01H21/18Movable parts; Contacts mounted thereon
    • H01H21/22Operating parts, e.g. handle
    • H01H21/24Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/26Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for operation by a part of the human body other than the hand, e.g. by foot
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H20/00Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/007Trolling propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H20/00Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/12Means enabling steering
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20528Foot operated
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20576Elements
    • Y10T74/20888Pedals

Definitions

  • a pedal control for electric outboard fishing motors having a first motor for driving the propeller and a d motor for rotating the propeller support for steering.
  • a single pedal is mounted for selective engagement with an onoff switch for the propeller drive motor and forward and reverse switches for the steering motor and is mounted on a control unit which may be easily carried about a boat for a q I. m T o C M c T n w s 0 i w m A S r.
  • the unit includes speed control and 200/59 (Bl directional elements which may be foot-actuated.
  • Moser U.S. Pat. No. 2,804,838 illustrates an electric outboard motor of the foregoing type having three pedals which are foot-operated so as to control on-oft', forward and reverse switches for the directional control motor and an on-off switch for the driving motor.”
  • the present invention is directed to improvements in a pedal control for controlling such steering and on-off switches.
  • the major purposes of the present invention are to form a simplified and inexpensive pedal control assembly for effecting both steering of a boat and propulsion thereof and in such a way that the user of the control may position the control at any location within a boat and have full control of propulsion, steering and speed with simple foot or hand movements.
  • FIG. I is a perspective view of a typical electric outboard motor assembly provided with the control of the present invention.
  • FIG. 2 is a sectional view illustrating a steering motor arrangement for the assembly of FIG. 1;
  • FIG. 3 is a cross-sectional view of a portion of the pedal control subassembly illustrated in FIG. 1;
  • FIG. 4 is a top view of the pedal subassembly illustrated in FIG. 3 while looking in the direction of the arrows 4-4 of FIG.
  • FIG. 5 is a sectional view of the pedal subassembly illustrated in FIGS. [-4 and looking in the direction of the arrows 5-5 of FIG. 3;
  • FIG. 6 is an end view of the pedal illustrated in FIG. 3;
  • FIG. 7 is a detail view of certain switch elements used in the pedal control.
  • FIG. 8 is a side view of the pedal control assembly illustrated in FIG. I.
  • the numeral I0 designates a supporting column or shaft for an electric drive motor II at the lower end thereof.
  • Motor I1 is a battery-operated DC motor and may be a permanent magnet motor.
  • the output shaft of motor I1 is adapted to rotate a propeller 12.
  • the column 10 is supported on a bracket assembly 13 which is in turn pivotally mounted upon a cradle I4.
  • Cradle 14 is adapted to be clamped to a portion ofa fishing boat, as for example the gunwale.
  • a pedal control subassembly generally designated at 15 has a cable 16 adapted to be connected to battery terminals and a cable I7 leading through a housing 18 on the upper portion of shaft 10 and through the shaft 10 to the drive motor II and to a steering motor positioned within the bracket 13.
  • the control assembly 15 includes a pedal control portion 18 and a housing I9 fixed thereto, which housing provides operative circuit connections between certain switches carried by pedal portion I8, cables I6 and 17, and a speed controlling rheostat for motor 11.
  • An actuating knob for the rheostat is illustrated at 20.
  • the control housing 19 may include a reversing switch 21 for motor I I and a combined light and heating element 210.
  • the housing 19 extends upwardly above the pedal portion 18 so that the actuating knob 20.
  • switch 21 and element 2la face the operator when the operator has his foot on the pedal portion I8.
  • Switch 2I and element 2Ia are above the knob 20.
  • FIG. 2 schematically illustrates a steering arrangement wherein a reversible direct current steering motor 22 is used to rotate shaft I0 and thus change the direction of thrust of the propeller 12 for steering purposes.
  • Motor 22 is supported within the housing bracket 13 and has a pinion 23 on its output shaft in driving engagement with a gear 24 held by a hub 25 which is keyed to the shaft 10.
  • the illustration of the steering motor housing bracket, cradle, supporting shaft, motors and propeller illustrated in FIGS. 1 and 2 should be taken as generally representative of motor driven and motor-steered electric outboard motors of the type known to the art and to which the present pedal control assembly is applied.
  • the pedal unit 18 illustrated in FIG. 1 includes a base 26 and a movable pedal 27 mounted on the base. Both base 26 and pedal 27 are generally rectangular when viewed from the top.
  • Base 26 is generally triangular in cross section as viewed from the side (as illustrated in FIG. 3).
  • Base 26 is defined by a lower flat plate 28, sidewalls 29a and 2%. an inclined upper wall 30, and a forward wall 3].
  • the forward wall 31 and sidewalls 29a and 29b of the base may be formed as downwardly directed extensions of the upper wall 30 and as a single casting.
  • the lower plate 28 may have a rubber pad 28a attached to the lower surface thereof.
  • Pedal 27 may have a series of parallel ribs formed in the upper surfaces thereof as is illustrated in FIGS. 4 and 5 to minimize foot slippage thereon.
  • Pedal 27 is mounted on base 26 in spaced relation to the upper surface of wall 30 by means of a pin 32 carried within a downwardly projecting boss 33 on pedal 27. Pin 32 is received through an enlarged aperture 34 in the upper wall 30.
  • Boss 33 has a lower surface which is spherically formed for a bearing engagement with the portion of the wall 30 around aperture 34.
  • a coil spring 35 surrounds this pin beneath the wall 30 and extends beneath the undersurface of the wall 30 and an abutment 36 on the lower end of the pin.
  • Spring 35 biases pedal 27 toward a position where pin 32 is perpendicular to wall 30 while pedal 27 is equally spaced from wall 30 on opposite sides of the pin.
  • the loose connection between pin 32 and the aperture 34 allows swinging movement of pedal 27 generally about a transverse axis directed through the point designated at P in FIG. 3.
  • the enlarged aperture also allows rocking movement or tilting movement in the direction of the arrows illustrated in FIG. 5 and generally about an axis extending parallel to the longitudinal axis of pedal 27.
  • the front end of pedal 27 has a downwardly projecting guide projection 38.
  • the lower portion of this guide projection has a slot 39 within which is received a pin 40 which is carried by the downwardly directed wall portion 31.
  • the pin and slot connection thus provided prevents pivotal movement of the pedal 27 about the axis of pin 32 while allowing the swinging movement and tilting or rocking movement aforementioned.
  • the upper wall 30 of base 26 carries a first pushbutton onoff switch 41 for motor 11 and second and third directional and energizing switches 42 and 43.
  • Each of these switches includes a pushbutton actuating arm 44 (FIG. 7) and these actuating arms are preferably covered with a rubber domelike cover 45.
  • the actuating arm 44 of switch 41 includes an upper flange 44a which abuts against the opposed rim 44b of support 44c in the closed position of the switch. Downward swinging movement of the pedal is thus limited by the abutment of the flange of the switch arm with the rim 44b.
  • rocking movement of the pedal may take place about an axis extending generally between the top of arm 44 of switch 41 and the center of curvature of the lower surface of boss 33.
  • the actuating arm 44 of each switch M, 42 and 43 is spring biased toward an upper position corresponding to a normal unenergized position.
  • One of the switches 42 is connected in the circuit to the steering motor 22 for rotation of the motor in one direction while the other switch 43 is connected in the circuit of the steering motor 22 for rotation of the motor in the opposite direction.
  • the switch casings 46 for each of the switches 41, 42 and 43 are connected through suitable electrical leads (not shown) to the control box 19 for appropriate electrical connection between cables 16 and 17 to their associated motors. Wiring connections between an onoff switch for the drive motor and between directional switches for a steering motor are known to the art and for this reason they are not illustrated herein.
  • the undersurface of pedal 27 includes a downwardly directed boss 48 which is located directly above switch 41, while bosses 49 of shorter extent are positioned directly above each of the switches 42 and 43.
  • switch 41 upon simple swinging movement of pedal 27 about the axis P, switch 41 will be actuated while switches 42 and 43 are not.
  • simple downward swinging movement of pedal 27 about the axis P is limited by abutment of the flange 44a of switch 41 with the rim 44b of that switch.
  • Spring 35 helps to maintain the pedal 27 in equally spaced relation to the switches 42 and 43 during such movement.
  • Switches 42 and 43 may also have similar limit abutments but they are not necessary as long as the engagement between pin 32 and the wall of the aperture 34 limit rocking movement to an amount slightly greater than that necessary to actuate one of the switches 42 or 43.
  • bosses 49 may be eliminated altogether as long as the spatial relation between the pedal and the switches is such as to allow selective operation of the switches as described.
  • boss 48 may be eliminated while switch 41 is made so that the actuating arm 44 projects to a greater height above wall 30 than the switches 42 and 43.
  • switch 41 is also actuated by simple swinging movement about axis P with the abutment in the switch 41 preventing sufficient downward movement to actuate both of the switches 42 and 43 at the same time while allowing actuation of one or the other of the switches 42 and 43 through rocking movement in one direction or the other.
  • the face 190 of the control housing which carries the actuating knob 20, switch 21 and element 21a, extends from a point immediately forward of the pedal 27 to a position spaced thereabove, whereupon these elements are positioned above the pedal.
  • This face is inclined to the upper surface of the pedal as shown in FIG. 8.
  • Knob is positioned on this face so that the lower side surface is coincident with or a short distance above the plane of the upper surface of the pedal whereby the toe of a users foot positioned on the pedal may frictionally engage the cylindrical side surface of knob 20 and rotate the same and thereby change the resistance value of the rheostat.
  • the rheostat is in series with the windings of the motor 11 so that a change in its resistance changes the voltage and speed of the motor.
  • the cylindrical surface of knob 20 may be provided with ribs or other frictional means to enhance use by the operator's foot.
  • actuating knob 20 of the rheostat and the directional switch 21 are positioned above the pedal 27, the actuating knob 20 and switch 21 are easily manipulated by the operator.
  • Knob 20 may be manipulated by the toe of the users foot positioned on the pedal at the same time that the operator is using pedal 27 to control propulsion and steering.
  • the reversing switch 21 may be moved by foot pressure, although the operator must disengage his foot from pedal 27 to do this.
  • the controls may of course be manipulated by hand.
  • Switches 41, 42 and 43 may be single-pole single-throw switches although it is preferred that switches 42 and 43 be double pole, single throw snap acting switches to insure positive action and minimize arcing.
  • an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes, the improvement comprising a pedal operating assembly for controlling said motors, said pedal assembly including a base and a pedal, means mounting said pedal on said base for swinging movement of said pedal about one end of said base and toward and away from the other end of said base and for tilting movement toward one side or another of said base, a first pushbutton switch carried by said base and having an actuating arm positioned above the surface of said base for actuation by the undersurface of said pedal upon said swinging movement of said pedal toward said base, and second and third switches mounted on said base and having actuating arms extending above the upper surface of said base for selective engagement with the undersurface of said pedal upon said tilting movement of said pedal, said first switch being a start-stop switch for said first motor and
  • the structure of claim 1 characterized by and including a speed control housing carried by the other end of said base, said speed control housing having a rheostat therein for controlling the speed of said first electric motor, said housing projecting above said pedal and having an actuating element therefor positioned above said pedal for selective operation thereof by an operator foot positioned on said pedal.
  • an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes.
  • a pedal-operating assembly for controlling said motors
  • said pedal assembly including a base and a pedal, means mounting said pedal on said base for swinging movement of said pedal about one end of said base and toward the other end of said base and for tilting movement toward one side or another of said base, switch means carried by said base for selective operation by said pedal upon swinging and tilting movement thereof to start and stop said first electric motor and to selectively operate said second motor for steering purposes
  • said base carrying a speed control housing at the other end of said base and projecting upwardly above said base
  • said speed control housing including a rheostat therein and having an outer wall facing said pedal and extending upwardly in inclined relation thereto, said housing including an operating element for said rheostat carried by said wall at a location above said pedal whereby the toe of an operator foot on said pedal may operate said element in any position of said pedal.

Abstract

A pedal control for electric outboard fishing motors having a first motor for driving the propeller and a second motor for rotating the propeller support for steering. A single pedal is mounted for selective engagement with an on-off switch for the propeller drive motor and forward and reverse switches for the steering motor and is mounted on a control unit which may be easily carried about a boat for a remote control. The unit includes speed control and directional elements which may be foot-actuated.

Description

ZOO/86.5 ZOO/86.5 ZOO/86.5 114/144 115/18 115/18 XX 55 66 88 ml 0% 22 3,023,344 2/1962 Owings......................... 3,118,123 1/1964 Sweetetal.....
3,287,520 I 1/1966 Stevens et al..
3,466,41 l 9/1969 Martin......
3,467,798 9/1969 Krieger...
2,583,059 1/1952 Neville 2,804,838 9/1957 Moser.... 2,877,733 3/1959 Harris...........,..............
Primary Examiner-J. R. Scott Attorney-Mann, Brown, McWilliams & Bradway I United States Patent 72] inventor Ralph C. Osborn Bloolnlngton, Ill. [21] Appl. No. 873,187
Nov. 3, 1969 [45] Patented Aug. 10, 1971 Assignee Asborn Engineering Corporation [54] PEDAL OPERATED CONTROL FOR ELECTRIC FISHING MOTORS 7 Claims, 8 Drawing Figs.
[22 Filed A pedal control for electric outboard fishing motors having a first motor for driving the propeller and a d motor for rotating the propeller support for steering. A single pedal is mounted for selective engagement with an onoff switch for the propeller drive motor and forward and reverse switches for the steering motor and is mounted on a control unit which may be easily carried about a boat for a q I. m T o C M c T n w s 0 i w m A S r. R R 8/ 8 m uw 05 0 0100M 2 "2; s u n/ S WM MR T "4 N m mm m Wm M W S m mm m mm mA m mm T m I m W Rm u mh m W m L :J u D t U mm H m r U 55 U The unit includes speed control and 200/59 (Bl directional elements which may be foot-actuated.
1,664,552 4/1928 Hammond,Jr...............
PEDAL OPERATED CONTROL FOR ELECTRIC FISHING MOTORS and changing the direction of thrust of the propeller for steering purposes.
Moser U.S. Pat. No. 2,804,838 illustrates an electric outboard motor of the foregoing type having three pedals which are foot-operated so as to control on-oft', forward and reverse switches for the directional control motor and an on-off switch for the driving motor." The present invention is directed to improvements in a pedal control for controlling such steering and on-off switches.
The major purposes of the present invention are to form a simplified and inexpensive pedal control assembly for effecting both steering of a boat and propulsion thereof and in such a way that the user of the control may position the control at any location within a boat and have full control of propulsion, steering and speed with simple foot or hand movements.
These and other purposes will become more apparent in the course of the ensuing specification and claims when taken with the accompanying drawings, in which:
FIG. I is a perspective view of a typical electric outboard motor assembly provided with the control of the present invention;
FIG. 2 is a sectional view illustrating a steering motor arrangement for the assembly of FIG. 1;
FIG. 3 is a cross-sectional view of a portion of the pedal control subassembly illustrated in FIG. 1;
FIG. 4 is a top view of the pedal subassembly illustrated in FIG. 3 while looking in the direction of the arrows 4-4 of FIG.
FIG. 5 is a sectional view of the pedal subassembly illustrated in FIGS. [-4 and looking in the direction of the arrows 5-5 of FIG. 3;
FIG. 6 is an end view of the pedal illustrated in FIG. 3;
FIG. 7 is a detail view of certain switch elements used in the pedal control; and
FIG. 8 is a side view of the pedal control assembly illustrated in FIG. I.
Like elements are designated by like characters throughout the specification and drawings.
With specific reference to the drawings, and in the first instance to FIG. I, the numeral I0 designates a supporting column or shaft for an electric drive motor II at the lower end thereof. Motor I1 is a battery-operated DC motor and may be a permanent magnet motor. The output shaft of motor I1 is adapted to rotate a propeller 12. The column 10 is supported on a bracket assembly 13 which is in turn pivotally mounted upon a cradle I4. Cradle 14 is adapted to be clamped to a portion ofa fishing boat, as for example the gunwale.
A pedal control subassembly generally designated at 15 has a cable 16 adapted to be connected to battery terminals and a cable I7 leading through a housing 18 on the upper portion of shaft 10 and through the shaft 10 to the drive motor II and to a steering motor positioned within the bracket 13. The control assembly 15 includes a pedal control portion 18 and a housing I9 fixed thereto, which housing provides operative circuit connections between certain switches carried by pedal portion I8, cables I6 and 17, and a speed controlling rheostat for motor 11. An actuating knob for the rheostat is illustrated at 20. The control housing 19 may include a reversing switch 21 for motor I I and a combined light and heating element 210.
The housing 19 extends upwardly above the pedal portion 18 so that the actuating knob 20. switch 21 and element 2la face the operator when the operator has his foot on the pedal portion I8. Switch 2I and element 2Ia are above the knob 20.
FIG. 2 schematically illustrates a steering arrangement wherein a reversible direct current steering motor 22 is used to rotate shaft I0 and thus change the direction of thrust of the propeller 12 for steering purposes. Motor 22 is supported within the housing bracket 13 and has a pinion 23 on its output shaft in driving engagement with a gear 24 held by a hub 25 which is keyed to the shaft 10. It should be understood that the illustration of the steering motor housing bracket, cradle, supporting shaft, motors and propeller illustrated in FIGS. 1 and 2 should be taken as generally representative of motor driven and motor-steered electric outboard motors of the type known to the art and to which the present pedal control assembly is applied.
In accordance with the present invention the pedal unit 18 illustrated in FIG. 1 includes a base 26 and a movable pedal 27 mounted on the base. Both base 26 and pedal 27 are generally rectangular when viewed from the top. Base 26 is generally triangular in cross section as viewed from the side (as illustrated in FIG. 3). Base 26 is defined by a lower flat plate 28, sidewalls 29a and 2%. an inclined upper wall 30, and a forward wall 3]. The forward wall 31 and sidewalls 29a and 29b of the base may be formed as downwardly directed extensions of the upper wall 30 and as a single casting. The lower plate 28 may have a rubber pad 28a attached to the lower surface thereof.
Pedal 27 may have a series of parallel ribs formed in the upper surfaces thereof as is illustrated in FIGS. 4 and 5 to minimize foot slippage thereon. Pedal 27 is mounted on base 26 in spaced relation to the upper surface of wall 30 by means of a pin 32 carried within a downwardly projecting boss 33 on pedal 27. Pin 32 is received through an enlarged aperture 34 in the upper wall 30. Boss 33 has a lower surface which is spherically formed for a bearing engagement with the portion of the wall 30 around aperture 34. A coil spring 35 surrounds this pin beneath the wall 30 and extends beneath the undersurface of the wall 30 and an abutment 36 on the lower end of the pin. Spring 35 biases pedal 27 toward a position where pin 32 is perpendicular to wall 30 while pedal 27 is equally spaced from wall 30 on opposite sides of the pin. The loose connection between pin 32 and the aperture 34 allows swinging movement of pedal 27 generally about a transverse axis directed through the point designated at P in FIG. 3. The enlarged aperture also allows rocking movement or tilting movement in the direction of the arrows illustrated in FIG. 5 and generally about an axis extending parallel to the longitudinal axis of pedal 27. The front end of pedal 27 has a downwardly projecting guide projection 38. The lower portion of this guide projection has a slot 39 within which is received a pin 40 which is carried by the downwardly directed wall portion 31. The pin and slot connection thus provided prevents pivotal movement of the pedal 27 about the axis of pin 32 while allowing the swinging movement and tilting or rocking movement aforementioned.
The upper wall 30 of base 26 carries a first pushbutton onoff switch 41 for motor 11 and second and third directional and energizing switches 42 and 43. Each of these switches includes a pushbutton actuating arm 44 (FIG. 7) and these actuating arms are preferably covered with a rubber domelike cover 45. The actuating arm 44 of switch 41 includes an upper flange 44a which abuts against the opposed rim 44b of support 44c in the closed position of the switch. Downward swinging movement of the pedal is thus limited by the abutment of the flange of the switch arm with the rim 44b. In either the lower position or upper position of the pedal rocking movement of the pedal may take place about an axis extending generally between the top of arm 44 of switch 41 and the center of curvature of the lower surface of boss 33. The actuating arm 44 of each switch M, 42 and 43 is spring biased toward an upper position corresponding to a normal unenergized position. One of the switches 42 is connected in the circuit to the steering motor 22 for rotation of the motor in one direction while the other switch 43 is connected in the circuit of the steering motor 22 for rotation of the motor in the opposite direction. It should be understood that the switch casings 46 for each of the switches 41, 42 and 43 are connected through suitable electrical leads (not shown) to the control box 19 for appropriate electrical connection between cables 16 and 17 to their associated motors. Wiring connections between an onoff switch for the drive motor and between directional switches for a steering motor are known to the art and for this reason they are not illustrated herein.
It is preferable to locate the switch 41 forwardly of the two directional switches 42 and 43.
The undersurface of pedal 27 includes a downwardly directed boss 48 which is located directly above switch 41, while bosses 49 of shorter extent are positioned directly above each of the switches 42 and 43. Thus, upon simple swinging movement of pedal 27 about the axis P, switch 41 will be actuated while switches 42 and 43 are not. In this regard, simple downward swinging movement of pedal 27 about the axis P is limited by abutment of the flange 44a of switch 41 with the rim 44b of that switch. Spring 35 helps to maintain the pedal 27 in equally spaced relation to the switches 42 and 43 during such movement. Switches 42 and 43 may also have similar limit abutments but they are not necessary as long as the engagement between pin 32 and the wall of the aperture 34 limit rocking movement to an amount slightly greater than that necessary to actuate one of the switches 42 or 43.
Rocking movement of the pedal about the longitudinally extending axis aforementioned enables one boss 49 or the other to contact its associated switch. At the same time this may be accompanied by downward swinging movement about the axis P depending upon manipulation of the operator's foot to the extent of actuating switch 41. The abutment in switch 41, together with the abutment of pin 32 with the wall of aperture 34 limits the downward movement and prevents actuation of both switches 42 and 43 at the same time. For example, the compound movement may be such as to actuate switch 43 and 41 (FIG. but the support is such that the other boss cannot contact its switch 42 unless pedal 27 is rocked out of contacting engagement with switch 43. The return springs in the switches and spring 35 bias the pedal toward the upper, deenergized position illustrated in FIG. 3.
It should be understood that the bosses 49 may be eliminated altogether as long as the spatial relation between the pedal and the switches is such as to allow selective operation of the switches as described. Also boss 48 may be eliminated while switch 41 is made so that the actuating arm 44 projects to a greater height above wall 30 than the switches 42 and 43. In this event, switch 41 is also actuated by simple swinging movement about axis P with the abutment in the switch 41 preventing sufficient downward movement to actuate both of the switches 42 and 43 at the same time while allowing actuation of one or the other of the switches 42 and 43 through rocking movement in one direction or the other.
The important thing is that when pedal 27 closes switch 41, a rocking axis for the pedal is established while the pedal 27 is not depressed far enough to actuate either switch 42 or 43 as long as the opposite sides of the pedal are spaced equidistantly from the upper wall 30.
The face 190 of the control housing which carries the actuating knob 20, switch 21 and element 21a, extends from a point immediately forward of the pedal 27 to a position spaced thereabove, whereupon these elements are positioned above the pedal. This face is inclined to the upper surface of the pedal as shown in FIG. 8. Knob is positioned on this face so that the lower side surface is coincident with or a short distance above the plane of the upper surface of the pedal whereby the toe of a users foot positioned on the pedal may frictionally engage the cylindrical side surface of knob 20 and rotate the same and thereby change the resistance value of the rheostat. The rheostat is in series with the windings of the motor 11 so that a change in its resistance changes the voltage and speed of the motor.
The cylindrical surface of knob 20 may be provided with ribs or other frictional means to enhance use by the operator's foot.
The particular pedal control herein illustrated is simple and economical to manufacture. The user of a pedal assembly, as
described herein, can easily control both the energization of the boat driving propeller and the direction of its thrust with his foot in the same overall position on the pedal. A simple downward movement of the toe of his foot will energize switch 41 to energize drive motor 11. Rocking movement of the foot in the same overall position and to one side or another will actuate switch 42 or 43 to energize motor 22 for rotation in the proper direction to bring about the desired direction of thrust of propeller 12. The control assembly is easily carried about the boat and may be positioned at any convenient location in the boat.
At any position the operator has full control of the steering, speed and propulsion of the boat. Since the actuating knob 20 of the rheostat and the directional switch 21 are positioned above the pedal 27, the actuating knob 20 and switch 21 are easily manipulated by the operator. Knob 20 may be manipulated by the toe of the users foot positioned on the pedal at the same time that the operator is using pedal 27 to control propulsion and steering. The reversing switch 21 may be moved by foot pressure, although the operator must disengage his foot from pedal 27 to do this. The controls may of course be manipulated by hand.
The unitary and compact nature of the controls together with the positioning of the various parts for foot operation is a great convenience to a fisherman having both hands occupied by fishingv Switches 41, 42 and 43 may be single-pole single-throw switches although it is preferred that switches 42 and 43 be double pole, single throw snap acting switches to insure positive action and minimize arcing.
lclaim:
1. In an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes, the improvement comprising a pedal operating assembly for controlling said motors, said pedal assembly including a base and a pedal, means mounting said pedal on said base for swinging movement of said pedal about one end of said base and toward and away from the other end of said base and for tilting movement toward one side or another of said base, a first pushbutton switch carried by said base and having an actuating arm positioned above the surface of said base for actuation by the undersurface of said pedal upon said swinging movement of said pedal toward said base, and second and third switches mounted on said base and having actuating arms extending above the upper surface of said base for selective engagement with the undersurface of said pedal upon said tilting movement of said pedal, said first switch being a start-stop switch for said first motor and adapted to energize said motor when actuated, said second and third switches being connected to forward and reverse energizing circuits for said second motor so that when one is actuated said second motor rotates said shaft in one direction while upon actuation of the other said second motor is operated to turn said shaft in the other direction, the actuating arms of said second and third switches projecting above said base to generally uniform spacings from the undersurface of said pedal, the actuating arm of said first switch being spaced more closely to an undersurface portion of said pedal in the deactivated position thereof than said second and third switches, said first, second and third switches and actuating arms therefor being located near the other end of said base, and limit abutment means to limit the pedals downward swinging movement and rocking movement to one side or the other whereby said first switch may be actuated along with actuation of a single one of the said second and third switches through combined swinging and tilting movement of said pedal without allowing simultaneous actuation of both of said second and third switches.
2. The structure of claim 1 wherein said pedal is swingably and tiltably mounted on said base by a pin carried by said pedal and loosely received within an aperture in said base.
3. The structure of claim 2 characterized by and including a spring surrounding an end of said pin projecting through said aperture in said base and extending between an undersurface of said base and an abutment on the end of said pin.
4. The structure of claim 3 wherein said abutment means is defined in said first switch and by said pin and aperture.
5. The structure of claim 1 wherein said pedal has a depending slotted guide on the end thereof remote from said pin and said base has a pin received within the slot of said guide to thereby provide support for that end of said pedal.
6. The structure of claim 1 characterized by and including a speed control housing carried by the other end of said base, said speed control housing having a rheostat therein for controlling the speed of said first electric motor, said housing projecting above said pedal and having an actuating element therefor positioned above said pedal for selective operation thereof by an operator foot positioned on said pedal.
7. In an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes. the improvement comprising a pedal-operating assembly for controlling said motors, said pedal assembly including a base and a pedal, means mounting said pedal on said base for swinging movement of said pedal about one end of said base and toward the other end of said base and for tilting movement toward one side or another of said base, switch means carried by said base for selective operation by said pedal upon swinging and tilting movement thereof to start and stop said first electric motor and to selectively operate said second motor for steering purposes, said base carrying a speed control housing at the other end of said base and projecting upwardly above said base, said speed control housing including a rheostat therein and having an outer wall facing said pedal and extending upwardly in inclined relation thereto, said housing including an operating element for said rheostat carried by said wall at a location above said pedal whereby the toe of an operator foot on said pedal may operate said element in any position of said pedal.

Claims (7)

1. In an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes, the improvement comprising a pedal operating assembly for controlling said motors, said pedal assembly including a base and a pedal, means mounting said pedal on said base foR swinging movement of said pedal about one end of said base and toward and away from the other end of said base and for tilting movement toward one side or another of said base, a first pushbutton switch carried by said base and having an actuating arm positioned above the surface of said base for actuation by the undersurface of said pedal upon said swinging movement of said pedal toward said base, and second and third switches mounted on said base and having actuating arms extending above the upper surface of said base for selective engagement with the undersurface of said pedal upon said tilting movement of said pedal, said first switch being a start-stop switch for said first motor and adapted to energize said motor when actuated, said second and third switches being connected to forward and reverse energizing circuits for said second motor so that when one is actuated said second motor rotates said shaft in one direction while upon actuation of the other said second motor is operated to turn said shaft in the other direction, the actuating arms of said second and third switches projecting above said base to generally uniform spacings from the undersurface of said pedal, the actuating arm of said first switch being spaced more closely to an undersurface portion of said pedal in the deactivated position thereof than said second and third switches, said first, second and third switches and actuating arms therefor being located near the other end of said base, and limit abutment means to limit the pedal''s downward swinging movement and rocking movement to one side or the other whereby said first switch may be actuated along with actuation of a single one of the said second and third switches through combined swinging and tilting movement of said pedal without allowing simultaneous actuation of both of said second and third switches.
2. The structure of claim 1 wherein said pedal is swingably and tiltably mounted on said base by a pin carried by said pedal and loosely received within an aperture in said base.
3. The structure of claim 2 characterized by and including a spring surrounding an end of said pin projecting through said aperture in said base and extending between an undersurface of said base and an abutment on the end of said pin.
4. The structure of claim 3 wherein said abutment means is defined in said first switch and by said pin and aperture.
5. The structure of claim 1 wherein said pedal has a depending slotted guide on the end thereof remote from said pin and said base has a pin received within the slot of said guide to thereby provide support for that end of said pedal.
6. The structure of claim 1 characterized by and including a speed control housing carried by the other end of said base, said speed control housing having a rheostat therein for controlling the speed of said first electric motor, said housing projecting above said pedal and having an actuating element therefor positioned above said pedal for selective operation thereof by an operator foot positioned on said pedal.
7. In an electric outboard fishing motor drive of the type having a first electric motor carried by a shaft and adapted when energized to rotate a propeller carried by said shaft and a second motor carried by a support for said shaft and formed and adapted when energized to rotate the shaft about the axis thereof for steering purposes, the improvement comprising a pedal-operating assembly for controlling said motors, said pedal assembly including a base and a pedal, means mounting said pedal on said base for swinging movement of said pedal about one end of said base and toward the other end of said base and for tilting movement toward one side or another of said base, switch means carried by said base for selective operation by said pedal upon swinging and tilting movement thereof to start and stop said first electric motor and to selectively operate said second motor for steering purposes, said base carrying a speed control housing at the other end of said base and pRojecting upwardly above said base, said speed control housing including a rheostat therein and having an outer wall facing said pedal and extending upwardly in inclined relation thereto, said housing including an operating element for said rheostat carried by said wall at a location above said pedal whereby the toe of an operator foot on said pedal may operate said element in any position of said pedal.
US873187A 1969-11-03 1969-11-03 Pedal operated control for electric fishing motors Expired - Lifetime US3598947A (en)

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US3797448A (en) * 1972-03-27 1974-03-19 Lowrance Electronics Mfg Trolling motor with steering means
US3807345A (en) * 1972-01-20 1974-04-30 Magalectric Corp Trolling motor steering and speed control means
US3983344A (en) * 1972-06-26 1976-09-28 Siemens Aktiengesellschaft Operated switch controller for dental engine and associated apparatus
US3995579A (en) * 1975-05-23 1976-12-07 Lew Childre & Sons, Inc. Dual motor propulsion and steering control system
US4008500A (en) * 1975-09-02 1977-02-22 Hall Jr Clarence Addison Fishing boat platform
US4460216A (en) * 1981-11-05 1984-07-17 Keller Rogenald J Deep-sea fisherman's chair
US4587388A (en) * 1984-08-20 1986-05-06 Cavin Eugene F Remote switching device for electric trolling motor
US4610632A (en) * 1984-05-14 1986-09-09 Osborne Edward W Electric boat motor
US4614900A (en) * 1985-05-03 1986-09-30 Young Joseph C Remote controlled driving system for a boat
US4669987A (en) * 1985-09-12 1987-06-02 Schulte Richard R Remote steering assembly kit for outboard trolling motors
US4715836A (en) * 1986-04-15 1987-12-29 Schulte Richard R Remote steering assembly kit for outboard trolling motors
US4820208A (en) * 1988-02-12 1989-04-11 Phillips Sr Walter A Directional control mechanism for a trolling motor
US4841203A (en) * 1988-05-31 1989-06-20 Gilbert David A Electric trolling motor steering system
US4854902A (en) * 1986-04-17 1989-08-08 Havins Felton H Boat speed and direction control system
US5017166A (en) * 1990-07-30 1991-05-21 Chang Pao Yuan Power-driven surfboard
WO1991013202A1 (en) * 1990-02-27 1991-09-05 G.M. Pfaff Aktiengesellschaft Ironing machine with a switching device for the drives of an ironing roller and an ironing head which can move relative to the latter
US5171173A (en) * 1990-07-24 1992-12-15 Zebco Corporation Trolling motor steering and speed control
US5180925A (en) * 1991-02-22 1993-01-19 Outboard Marine Corporation Remote switching system for an electric trolling motor
US5413062A (en) * 1992-05-05 1995-05-09 Koss; Edward S. Remotely controlled steering apparatus for outboard motor
US5422521A (en) * 1993-11-18 1995-06-06 Liebel-Flarsheim Co. Foot operated control system for a multi-function device
US5555837A (en) * 1995-06-22 1996-09-17 Marshall; Floyd Boat stabilizing rudder system
USD380478S (en) * 1995-04-20 1997-07-01 Brunswick Corporation Multi-position trolling motor head and handle
USD388056S (en) * 1995-09-29 1997-12-23 Liebel-Flarsheim Company Actuator for foot-operated control system
US5797339A (en) * 1996-12-12 1998-08-25 Brunswick Corporation Optical remote control for trolling motors and method of control
US5832440A (en) * 1996-06-10 1998-11-03 Dace Technology Trolling motor with remote-control system having both voice--command and manual modes
US5883615A (en) * 1995-09-29 1999-03-16 Liebel-Flarsheim Company Foot-operated control system for a multi-function
US6254441B1 (en) 1999-06-11 2001-07-03 Johnson Outdoors Inc. Trolling motor propulsion unit support shaft
US6276975B1 (en) 1999-06-11 2001-08-21 Johnson Outdoors Inc. Trolling motor battery gauge
US6325685B1 (en) 1998-06-11 2001-12-04 Johnson Outdoors Inc. Trolling motor system
US6325684B1 (en) 1999-06-11 2001-12-04 Johnson Outdoors, Inc., Trolling motor steering control
US6369542B1 (en) 2000-06-12 2002-04-09 Johnson Outdoors Inc. Trolling motor foot control with fine speed adjustment
US6394859B1 (en) 1999-06-11 2002-05-28 Johnson Outdoors Inc. Trolling motor bow mount impact protection system
US6431923B1 (en) 1999-06-11 2002-08-13 Johnson Outdoors Inc. Trolling motor bow mount
US7296312B2 (en) 2002-09-06 2007-11-20 Hill-Rom Services, Inc. Hospital bed
US7523515B2 (en) 1995-01-03 2009-04-28 Hill-Rom Services, Inc. Hospital bed and mattress having a retractable foot section
US20090107382A1 (en) * 2007-10-30 2009-04-30 Robert Huntt Steering system and method for a motor driven craft
US20110130055A1 (en) * 2007-10-30 2011-06-02 Robert Huntt Steering system and method for a motor driven craft
US8286282B2 (en) 1995-08-04 2012-10-16 Hill-Rom Services, Inc. Bed frame and mattress synchronous control
US9009893B2 (en) 1999-12-29 2015-04-21 Hill-Rom Services, Inc. Hospital bed
US9089459B2 (en) 2013-11-18 2015-07-28 Völker GmbH Person support apparatus
US10513322B2 (en) * 2017-12-08 2019-12-24 Navico Holding As Foot pedal for a trolling motor assembly
USD886864S1 (en) 2017-10-31 2020-06-09 Navico Holding As Trolling motor head
USD886865S1 (en) 2017-10-31 2020-06-09 Navico Holding As Trolling motor mount
USD886863S1 (en) * 2017-10-31 2020-06-09 Navico Holding As Trolling motor foot pedal
US20200272152A1 (en) * 2019-02-22 2020-08-27 Navico Holding As Trolling motor with local and remote control modes
US11062859B1 (en) * 2019-07-22 2021-07-13 Itool Equipment Holding Llc Foot switch-including adaptor assembly for battery-powered hand tool
USD925605S1 (en) 2019-12-23 2021-07-20 Navico Holding As Trolling motor foot pedal
EP3865393A1 (en) * 2020-02-17 2021-08-18 Yamaha Hatsudoki Kabushiki Kaisha Marine vessel electric propulsion system, and marine vessel including the same
USD948577S1 (en) 2019-12-23 2022-04-12 Navico Holding As Trolling motor head
USD948576S1 (en) 2019-12-23 2022-04-12 Navico Holding As Trolling motor mount
US11760457B2 (en) 2021-07-09 2023-09-19 Navico, Inc. Trolling motor foot pedal controlled sonar device
US11796661B2 (en) 2021-05-21 2023-10-24 Navico, Inc. Orientation device for marine sonar systems

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Cited By (64)

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Publication number Priority date Publication date Assignee Title
US3807345A (en) * 1972-01-20 1974-04-30 Magalectric Corp Trolling motor steering and speed control means
US3797448A (en) * 1972-03-27 1974-03-19 Lowrance Electronics Mfg Trolling motor with steering means
US3983344A (en) * 1972-06-26 1976-09-28 Siemens Aktiengesellschaft Operated switch controller for dental engine and associated apparatus
US3995579A (en) * 1975-05-23 1976-12-07 Lew Childre & Sons, Inc. Dual motor propulsion and steering control system
US4008500A (en) * 1975-09-02 1977-02-22 Hall Jr Clarence Addison Fishing boat platform
US4460216A (en) * 1981-11-05 1984-07-17 Keller Rogenald J Deep-sea fisherman's chair
US4610632A (en) * 1984-05-14 1986-09-09 Osborne Edward W Electric boat motor
US4587388A (en) * 1984-08-20 1986-05-06 Cavin Eugene F Remote switching device for electric trolling motor
US4614900A (en) * 1985-05-03 1986-09-30 Young Joseph C Remote controlled driving system for a boat
US4669987A (en) * 1985-09-12 1987-06-02 Schulte Richard R Remote steering assembly kit for outboard trolling motors
US4715836A (en) * 1986-04-15 1987-12-29 Schulte Richard R Remote steering assembly kit for outboard trolling motors
US4854902A (en) * 1986-04-17 1989-08-08 Havins Felton H Boat speed and direction control system
US4820208A (en) * 1988-02-12 1989-04-11 Phillips Sr Walter A Directional control mechanism for a trolling motor
US4841203A (en) * 1988-05-31 1989-06-20 Gilbert David A Electric trolling motor steering system
WO1991013202A1 (en) * 1990-02-27 1991-09-05 G.M. Pfaff Aktiengesellschaft Ironing machine with a switching device for the drives of an ironing roller and an ironing head which can move relative to the latter
US5171173A (en) * 1990-07-24 1992-12-15 Zebco Corporation Trolling motor steering and speed control
US5017166A (en) * 1990-07-30 1991-05-21 Chang Pao Yuan Power-driven surfboard
US5180925A (en) * 1991-02-22 1993-01-19 Outboard Marine Corporation Remote switching system for an electric trolling motor
US5413062A (en) * 1992-05-05 1995-05-09 Koss; Edward S. Remotely controlled steering apparatus for outboard motor
US5422521A (en) * 1993-11-18 1995-06-06 Liebel-Flarsheim Co. Foot operated control system for a multi-function device
US7523515B2 (en) 1995-01-03 2009-04-28 Hill-Rom Services, Inc. Hospital bed and mattress having a retractable foot section
USD380478S (en) * 1995-04-20 1997-07-01 Brunswick Corporation Multi-position trolling motor head and handle
US5555837A (en) * 1995-06-22 1996-09-17 Marshall; Floyd Boat stabilizing rudder system
US8286282B2 (en) 1995-08-04 2012-10-16 Hill-Rom Services, Inc. Bed frame and mattress synchronous control
USD388056S (en) * 1995-09-29 1997-12-23 Liebel-Flarsheim Company Actuator for foot-operated control system
US5883615A (en) * 1995-09-29 1999-03-16 Liebel-Flarsheim Company Foot-operated control system for a multi-function
US5832440A (en) * 1996-06-10 1998-11-03 Dace Technology Trolling motor with remote-control system having both voice--command and manual modes
US5797339A (en) * 1996-12-12 1998-08-25 Brunswick Corporation Optical remote control for trolling motors and method of control
US6325685B1 (en) 1998-06-11 2001-12-04 Johnson Outdoors Inc. Trolling motor system
US6431923B1 (en) 1999-06-11 2002-08-13 Johnson Outdoors Inc. Trolling motor bow mount
US6276975B1 (en) 1999-06-11 2001-08-21 Johnson Outdoors Inc. Trolling motor battery gauge
US6394859B1 (en) 1999-06-11 2002-05-28 Johnson Outdoors Inc. Trolling motor bow mount impact protection system
US6325684B1 (en) 1999-06-11 2001-12-04 Johnson Outdoors, Inc., Trolling motor steering control
US6254441B1 (en) 1999-06-11 2001-07-03 Johnson Outdoors Inc. Trolling motor propulsion unit support shaft
US9009893B2 (en) 1999-12-29 2015-04-21 Hill-Rom Services, Inc. Hospital bed
US10251797B2 (en) 1999-12-29 2019-04-09 Hill-Rom Services, Inc. Hospital bed
US6369542B1 (en) 2000-06-12 2002-04-09 Johnson Outdoors Inc. Trolling motor foot control with fine speed adjustment
US7520006B2 (en) 2002-09-06 2009-04-21 Hill-Rom Services, Inc. Hospital bed including moveable foot portion
US7506390B2 (en) 2002-09-06 2009-03-24 Hill-Rom Services, Inc. Patient support apparatus having controller area network
US7669263B2 (en) 2002-09-06 2010-03-02 Hill-Rom Services, Inc. Mattress assembly including adjustable length foot
US7703158B2 (en) 2002-09-06 2010-04-27 Hill-Rom Services, Inc. Patient support apparatus having a diagnostic system
US7406731B2 (en) 2002-09-06 2008-08-05 Holl-Rom Services, Inc. Hospital bed
US7296312B2 (en) 2002-09-06 2007-11-20 Hill-Rom Services, Inc. Hospital bed
USRE43532E1 (en) 2002-09-06 2012-07-24 Hill-Rom Services, Inc. Hospital bed
US20090107382A1 (en) * 2007-10-30 2009-04-30 Robert Huntt Steering system and method for a motor driven craft
US20110130055A1 (en) * 2007-10-30 2011-06-02 Robert Huntt Steering system and method for a motor driven craft
US7882791B2 (en) 2007-10-30 2011-02-08 Robert Huntt Steering system and method for a motor driven craft
US9089459B2 (en) 2013-11-18 2015-07-28 Völker GmbH Person support apparatus
USD886864S1 (en) 2017-10-31 2020-06-09 Navico Holding As Trolling motor head
USD886865S1 (en) 2017-10-31 2020-06-09 Navico Holding As Trolling motor mount
USD886863S1 (en) * 2017-10-31 2020-06-09 Navico Holding As Trolling motor foot pedal
US11220317B2 (en) 2017-12-08 2022-01-11 Navico Holding As Foot pedal for a trolling motor assembly
US10843781B2 (en) 2017-12-08 2020-11-24 Navico Holding As Foot pedal for a trolling motor assembly
US10513322B2 (en) * 2017-12-08 2019-12-24 Navico Holding As Foot pedal for a trolling motor assembly
US20200272152A1 (en) * 2019-02-22 2020-08-27 Navico Holding As Trolling motor with local and remote control modes
US10809725B2 (en) * 2019-02-22 2020-10-20 Navico Holding As Trolling motor with local and remote control modes
US11062859B1 (en) * 2019-07-22 2021-07-13 Itool Equipment Holding Llc Foot switch-including adaptor assembly for battery-powered hand tool
USD925605S1 (en) 2019-12-23 2021-07-20 Navico Holding As Trolling motor foot pedal
USD948577S1 (en) 2019-12-23 2022-04-12 Navico Holding As Trolling motor head
USD948576S1 (en) 2019-12-23 2022-04-12 Navico Holding As Trolling motor mount
EP3865393A1 (en) * 2020-02-17 2021-08-18 Yamaha Hatsudoki Kabushiki Kaisha Marine vessel electric propulsion system, and marine vessel including the same
US11453470B2 (en) 2020-02-17 2022-09-27 Yamaha Hatsudoki Kabushiki Kaisha Marine vessel electric propulsion system, and marine vessel including the same
US11796661B2 (en) 2021-05-21 2023-10-24 Navico, Inc. Orientation device for marine sonar systems
US11760457B2 (en) 2021-07-09 2023-09-19 Navico, Inc. Trolling motor foot pedal controlled sonar device

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