CN103534053A - Dual blade hole saw - Google Patents
Dual blade hole saw Download PDFInfo
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- CN103534053A CN103534053A CN201280022203.XA CN201280022203A CN103534053A CN 103534053 A CN103534053 A CN 103534053A CN 201280022203 A CN201280022203 A CN 201280022203A CN 103534053 A CN103534053 A CN 103534053A
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- Prior art keywords
- saw
- hole saw
- hole
- blade
- saw blade
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/12—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
Abstract
A hole saw for cutting through a material. The hole saw includes a drive system and a hole saw gear arrangement. The hole saw gear arrangement includes first and second hole saw connectors. The first hole saw connector is designed to connect to a first hole saw. The second hole saw connector is designed to connect to a second hole saw. The hole saw gear arrangement includes a gear system that causes the first hole saw connector and the second hole saw connector to rotate in opposite directions when the drive system is activated.
Description
It is 61/450,225 the priority of submitting on March 8th, 61/450,232 and 2011 that the present invention requires the interim serial application number of the U.S. that on March 8th, 2011 submits to, and both are all included in here as a reference.
The present invention relates to cutting apparatus, be specifically related to hole saw, more specifically relate to and comprise a plurality of hole saw saw blades of independent rotation relative to each other, and more specifically relate to the hole saw that comprises two hole saw saw blades that can simultaneously rotate along opposite directions.
Background technology of the present invention
Hole saw is the common tool (for example: metal, timber, plastics, composite, ceramic tile etc.) for cut circular open at various materials.The saw blade assembly that hole saw can comprise mandrel or mandrel and be connected in mandrel.Mandrel or mandrel generally include the body with end, and this end is combined with hole saw saw blade so that hole saw saw blade is fixed on mandrel or mandrel.Mandrel or mandrel can be by driving such as power auger or analog rotationally.Normally, mandrel or mandrel are designed to be inserted in drill head or analog.
Normally, hole saw saw blade has cylindrical shape, and this cylindrical shape has cutting teeth at one end and at the screw shell of the other end, rotating operation mandrel or mandrel when this screw shell is used for being screwed into for drilling.The type that connection between hole saw saw blade is arranged can comprise the connection layout of other types.
Mandrel or mandrel also can be designed to be connected to the drill bit for drill centers.In such layout, drill bit or pilot drill extend and pass the center of hole saw saw blade from the center of mandrel or mandrel.Hole saw saw blade can be designed to be connected to mandrel or mandrel before or after drill bit or pilot drill are connected to mandrel or mandrel.Drill bit or pilot drill also can for good and all be connected to or releasably be connected to mandrel or mandrel.When using, drill bit or pilot drill be conventionally than farther outstanding of the length of hole saw saw blade, with before contacting with hole saw saw blade be cut material and contact.
Hole saw saw blade can comprise various types of tooth structures.Normally, hole saw saw blade comprises tooth, and this tooth has consistent size and direction; Yet tooth can have the repeating groups of different size and/or direction.
In following patent and patent application, disclose and show various types of hole saws and hole saw saw blade, these all with referring to mode include in herein: United States Patent (USP) the 8th, 079,787; 8,052,356; 7,967,535; 7,959,371; 7,934,893; D634,343; 7,850,405; 7,824,137; 7,818,867; 7,766,583; D620,035; 7,674,078; 7,661,913; 7,658,576; 7,658,136; 7,621,703; 7,556,459; 7,513,718; D588,175; 7,384,222; 7,264,428; 7,246,975; 7,237,984; 7,163,362; 7,160,064; D529,525; 7,112,016; 7,104,738; 7,101,124; 7,097,397; D516,594; 7,001,116; 6,881,017; 6,746,187; 6,705,807; 6,641,338; 6,623,220; D478,919; D478,339; D478,106; D478,105; 6,599,063; 6,588,992; 6,409,437; 6,409,436; 6,379,089; 6,341,925; D438,219; 6,065,909; 6,048,141; 6,007,279; 5,934,845; 5,904,454; 5,867,913; 5,829,929; 5,820,315; 5,803,678; 5,803,677; 5,800,148; 5,800,099; 5,743,682; D392,297; D391,974; 5,658,102; 5,651,646; 5,435,672; 5,413,437; 5,366,326; 5,352,071; 5,292,210; 5,226,762; 5,205,685; 5,108,235; 5,096,341; 5,061,126; 5,035,550; 5,035,548; 5,007,777; 4,968,189; D303,118; 4,760,643; 4,755,088; 4,755,087; 4,741,651; 4,669,928; 4,579,486; D282,369; 4,422,811; 4,303,357; 4,279,551; 4,203,692; 4,148,593; 4,101,238; 4,077,737; 4,072,441; 4,036,560; 3,999,869; 3,976,387; And 3,973,862; And United States Patent (USP) discloses the 2012/0009032nd; 2011/0255931; 2011/0243675; 2011/0217133; 2011/0170968; 2011/0052340; 2011/0033257; 2011/0027030; 2010/0322730; 2010/0303567; 2010/0247258; 2010/0239381; 2010/0086372; 2010/0080665; 2010/0067995; 2010/0047030; 2010/0034608; 2009/0267236; 2009/0252567; 2009/0224116; 2009/0214310; 2009/0169317; 2009/0035082; 2008/0267725; 2008/0260480; 2008/0187405; 2008/0050189; 2008/0019785; 2008/0014035; 2008/0008548; 2007/0269280; 2007/0258780; 2007/0231090; 2007/0110527; 2007/0104548; 2007/0071565; 2007/0059113; 2007/0036620; 2007/0020056; 2007/0003386; 2006/0285934; 2006/0280569; 2006/0263158; 2006/0263156; 2006/0210366; 2006/0130629; 2005/0220547; 2005/0042048; 2005/0025592; 2004/0247405; 2004/0191015; 2004/0179911; 2004/0161313; 2004/0042861; 2004/0016135; 2003/0077138; 2002/0131835; 2002/0122703; 2002/0106254; 2002/0037201; And 2002/0028117.
When using hole saw, hole saw saw blade applies torque to user cutting while wearing material.In order to cut out hole on material, user must resist such torque.User for the lasting resistance of such torque along with past of time can cause user's fatigue.Once it is tired that user becomes, user must stop the use of hole saw or emitting that user is injured, the risk of the damage of the damage of hole saw and/or the material that just cut by hole saw.In addition,, in the use procedure of hole saw, hole saw saw blade can cause periodic vibrations action cutting while wearing material.If user does not suitably resist the action of such periodic vibration, that user can emit is injured, the risk of the damage of the damage of hole saw and/or the material that just cut by hole saw.
Current state in view of hole saw field, need to a kind ofly in cutting operation process, can reduce the torque being caused by hole saw saw blade, when using hole saw, reduce user's fatigue, improve the precision to material cutting operation, and the hole saw to the steady cutting of material is provided.
Summary of the invention
The present invention relates to hole saw, be specifically related to comprise the hole saw of a plurality of hole saw saw blades that can rotate independently of one another, and more specifically relate to the hole saw that comprises two hole saw saw blades that can simultaneously rotate along opposite directions.The hole saw of prior art generally includes single hole saw saw blade, and this hole saw saw blade clockwise or rotate counterclockwise.Develop the hole saw that comprises two hole saw saw blades, yet these two hole saw saw blades are designed to along equidirectional with identical rate of rotation, rotate in the process of cutting material.The invention belongs to the new ideas that include two hole saw saw blades, these two hole saw saw blades, in the process of cutting material, can, along identical direction, still rotate with different rotating speeds, or rotate along opposite directions together.The present invention's imagination has the power tool that is exclusively used in one or more hole saw saw blades.The present invention also consider power tool attachment device (such as: power augers etc.), this attachment device is at one end connected to power tool, and is connected to a plurality of hole saw saw blades at the other end of attachment device.Two hole saw saw blades are in the process of cutting material, with different rates of rotation and/or along the reciprocating ability of opposite directions, can cause: improve the cutting of hole saw saw blade to material, the torque that is applied to user that minimizing is caused by hole saw saw blade in cutting material operating process, and the fatigue that therefore reduces user when using hole saw, improve speed and/or the precision of material cutting operation, and/or provide to cut more stably and provide and when cutting material, still less shake or discontinuous cutting.
Of the present invention one non-limiting aspect, in the process of cutting material, hole saw saw blade is rotated clockwise along opposite directions (that is: and rotate counterclockwise).When rotating in opposite direction, the speed of the rotation of two hole saw saw blades or speed can be identical or different.Of the present invention one non-limiting aspect, when rotating in opposite direction, the speed of the rotation of two hole saw saw blades or speed can be identical.
Of the present invention another and/or optional non-limiting aspect, of hole saw saw blade is partially or even wholly nested in the chamber of another hole saw saw blade.In another non-limiting example, of hole saw saw blade is partly nested in the chamber of another hole saw saw blade.In another non-limiting example, of hole saw saw blade is fully nested in the chamber of another hole saw saw blade.Each hole saw saw blade has cylindrical shell conventionally, and at a plurality of cutting teeths at the front end place of housing.It should be understood that housing can have except columnar other shapes.It will also be appreciated that front end can comprise single cutting teeth or there is no cutting teeth.The rear end of housing can open, partly closed or fully closed.Inwall by housing forms inner chamber.Chamber also has cylinder form conventionally; Yet this not necessarily.The rear end of housing can open, partly closed or fully closed.In a non-limiting layout, the first hole saw saw blade comprises housing, and this housing has front end and chamber, and the second hole saw saw blade comprises the housing with front end.The front end of the first and/or second hole saw saw blade can comprise one or more cutting teeths; Yet this not necessarily.The housing of the second saw blade can comprise chamber; Yet this not necessarily.In non-limiting a setting of this non-limiting layout, the cross sectional dimensions of the second hole saw saw blade housing and shape can be inserted in the chamber of the first hole saw saw blade housing at least a portion of the housing of the second hole saw saw blade, and rotate in the chamber of the first hole saw saw blade housing.In another non-limiting setting of this non-limiting layout, the cross sectional dimensions of the second hole saw saw blade housing and shape can be inserted in the chamber of the first hole saw saw blade housing the whole housing of the second hole saw saw blade, and rotate in the chamber of the first hole saw saw blade housing.Also having in another non-limiting setting of this non-limiting layout, the cross sectional dimensions of the second hole saw saw blade housing and shape can be inserted in the chamber of the first hole saw saw blade housing an only part for the housing of the second hole saw saw blade, and rotate in the chamber of the first hole saw saw blade housing.Also having in another non-limiting design of this non-limiting layout, when hole saw is during with two hole saw saw blade cutting materials, the front end of the second hole saw saw blade housing stretches out from the front end of the first hole saw saw blade housing.Also having in another non-limiting setting of this non-limiting layout, when hole saw is during with two hole saw saw blade cutting materials, the front end of the second hole saw saw blade housing is roughly roughly concordant or smooth with the front end of the first hole saw saw blade housing.Also having in another non-limiting setting of this non-limiting layout, when hole saw is during with two hole saw saw blade cutting materials, the front end of the second hole saw saw blade housing is from the inwardly recessed or placement of front end of the first hole saw saw blade housing.
Of the present invention, also have in another and/or optional non-limiting example, the structure of the cutting teeth in the first and second jigsaw blade can be identical or different.In a non-limiting example of the present invention, the tooth structure on each hole saw saw blade is identical.In another non-limiting example of the present invention, the toothing on each hole saw saw blade is different.Of the present invention, also have in another non-limiting example, the tooth on internal holes saw blade has the tooth structure that one or more tooth ends upcountry tilt towards hole saw saw blade center rotating shaft line.Such tooth structure causes cutting in the chamber that material enters internal holes saw blade, and this internal holes saw blade has all or a part of little diameter than the chamber of internal holes saw blade.Such diameter has advantage and a) is placed between the material in chamber while making frictional force that internal holes saw blade can continue to reduce at the inner surface in the chamber of internal holes saw blade with at hole saw cutting material and rotates and cutting material, b) increase the convenience of cutting material, and/or c) make material remove from the chamber of internal holes saw blade easier.Of the present invention, also have in another non-limiting example, the tooth on external holes saw blade has the tooth structure that one or more teeth tilt towards hole saw saw blade center rotating shaft alignment other places.Such tooth structure cause cutting in material diameter than the external diameter of external holes saw blade housing large hole.This bore dia of cutting material has advantage and a) frictional force that external holes saw blade can continue to reduce is externally rotated and cutting material between the outer surface of the housing of hole saw saw blade and the hole that cuts in material, b) it is easier in the hole that the convenience of increase cutting material, and/or c) makes hole saw saw blade cut from material, to remove.The tooth structure of inside and/or external holes saw blade is nonrestrictive.
Of the present invention also have another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: use to have the external holes saw blade of common circular cross sectional shape, and the inside saw blade that is arranged at least in part the chamber of external holes saw blade is the counter-rotational wood drill head of shovel; Yet this not necessarily.Such structure can be holed afterwards for reducing or eliminating cutting material shutoff in material.
Of the present invention also have another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: the first and second hole saw saw blades have different diameters to produce annular portion hole in cutting material; Yet this not necessarily.
Of the present invention another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: the first and second hole saw saw blades have different saw blade thickness to promote the power that rotates backward of two hole saw saw blades of balance; Yet this not necessarily.
Of the present invention also have another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: the first and second hole saw saw blades have the different numbers of teeth to promote the power that rotates backward of two hole saw saw blades of balance; Yet this not necessarily.
Of the present invention also have another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: the first and second hole saw saw blades have heteroid tooth to promote the power that rotates backward of two hole saw saw blades of balance; Yet this not necessarily.
Of the present invention also have another and/or optional non-limiting aspect, the structure of the cutting element of hole saw may be selected to be: external holes saw blade can comprise grooving, this grooving can be used for making the boring of the cutting hole in material level and smooth, play like this work that is similar to reamer in order to accurately in accordance with regulations size make cutting hole; Yet this not necessarily.
Of the present invention another and/or optional non-limiting aspect, pin is arranged and be can be used for thrusting in one or more openings of hole saw saw blade rear end, to promote the cutting plug of material to discharge from hole saw saw blade; Yet this not necessarily.Pin arranges that can be designed to spring loads or otherwise setover to promote to cut plug and discharge from the chamber of internal holes saw blade; Yet this is not necessary.
Of the present invention also have another and/or optional non-limiting aspect, power tool is the specific purpose tool that uses one or more hole saw saw blades.Normally, the housing of power tool is similar to power auger; Yet this not necessarily.Power tool can be powered battery and/or power by AC power cord.Power tool comprises connector, and this connector makes one or two hole saw saw blade can be connected to power tool.In a non-limiting example, when two hole saw saw blades are connected in power tool, this power tool comprises the geared system that can make two hole saw saw blades rotate in opposite direction; Yet this not necessarily.Power tool can comprise makes two hole saw saw blades can be in opposite direction and with the geared system of identical or different revolution per minute (rpm).Normally, make geared system that two hole saw saw blades can rotate in opposite direction partially or even wholly be arranged in the housing of power tool.In another and/or optional non-limiting example of the present invention, power tool can comprise one or more optional features, for example, but be not restricted to: " continuing out " button, for enabling the button, level indicator, speed control, " locking " button, torque controller, battery driven motor, rechargeable battery, removable battery, vibration dampening handle, minimizing slippage handle, tiltable handle, rotatable handles of lamp or laser instrument, connecting and/or unclamp fast hole saw saw blade fast, etc.; Yet this not necessarily.
Of the present invention, also have in another and/or optional non-limiting example, hole saw gear attachment device is set, this hole saw gear attachment device is designed so that one end can be connected to the power tool such as power auger, and the other end is connected to one or two hole saw saw blade.In a non-limiting example, when two hole saw saw blades are connected to hole saw gear attachment device, this hole saw gear attachment device comprises the geared system that can make two hole saw saw blades rotate in opposite direction; Yet this not necessarily.Hole saw gear attachment device can comprise the geared system that makes two hole saw saw blades can be in opposite direction and rotate with identical or different revolution per minute (rpm).Normally, make geared system that two hole saw saw blades can rotate in opposite direction partially or even wholly be arranged in the housing of hole saw gear accessories device.In another and/or optional non-limiting example of the present invention, hole saw gear attachment device comprises connecting to be arranged, this connections layout is connected to the housing of hole saw gear attachment device the body of power tool.Such connection arranges that the torque transferred that the geared system by being partially or even wholly arranged in the housing of hole saw gear attachment device is caused is to the body of power tool, to prevent that the housing of hole saw gear attachment device from rotating with respect to the body of power tool; Yet this not necessarily.Can use such layout, make to cancel torque limit handle from the body of hole saw gear attachment device.
When not using while connect arranging, handle is connected to the body of hole saw gear attachment device conventionally, and user can grasp handle and rotates along with hole saw cutting material to prevent the housing of hole saw gear attachment device like this; Yet this not necessarily.It should be understood that handle still can be connected to the housing of hole saw gear attachment device when using connection to arrange; Yet such handle conventionally, then in cutting material process, grasps better power tool and hole saw gear attachment device and/or enters in material with the one or more hole saw saw blades of promotion guiding.It is nonrestrictive connecting type and/or the structure arranged.The position that connection layout is connected to the housing of hole saw gear attachment device and/or the body of power tool is nonrestrictive.It should be understood that to connect and arrange the rotating part that is conventionally not attached to power tool.
Of the present invention also have another and/or optional non-limiting aspect, center bit can be matched and use one or more hole saw saw blades.When using, center bit can be used for getting down to the centre bore in material, and this center bit can be used for along with the cutting of material is carried out orientation and location to one or more hole saw saw blades.Center bit can be connected to one or more hole saw saw blades, power tool, mandrel or mandrel etc.The type of the connector using is nonrestrictive.
Of the present invention another and/or optional non-limiting aspect, the housing of one or more hole saw saw blades can comprise one or more openings; Yet this not necessarily.The size and dimension of one or more openings is nonrestrictive.One or more openings in one or more hole saw saw blades can be used for 1) promote from the chamber removing materials of the housing of one or more hole saw saw blades, and/or 2) promote by hole saw saw blade cutting material.
Hole saw of the present invention can have one or more following functions and/or feature:
Hole saw comprises and rotates backward rotating mechanism, and this rotates backward rotating mechanism and allows one group of nested hole saw saw blade to rotate along contrary cutting direction.
Hole saw can be the spcific power instrument for one or more hole saw saw blades, or instrument attachment device, this instrument attachment device can with power tool (such as: power auger etc.) be connected/throw off, and this instrument attachment device comprises and rotate backward rotating mechanism, this rotates backward rotating mechanism and allows one group of nested hole saw saw blade to be connected to instrument attachment device and rotate along contrary cutting direction.
Hole saw can be designed so that user can be attached or remove one or more hole saw saw blades from saw chuck.
Hole saw and/or hole saw saw blade can be made by various materials, include, but are not limited to metal, plastics, aluminium or recyclable material.
Hole saw can be designed so that this hole saw saw blade is designed to rotate independently along contrary direction with two nested hole saw saw blades closely.
Hole saw saw blade can comprise tooth, and this tooth is carried out stock removal action by permission in two rotation directions.
Hole saw saw blade can form and usually be used on various materials.
Hole saw saw blade can be designed for concrete cutting object.
The internal diameter of internal holes saw blade and external holes saw blade and external diameter can be enough tightly to allow convenient cutting, also between two hole saw saw blades, there is enough spacing to reduce hole saw saw blade for heat and friction each other.
The use of two hole saw saw blades that rotate in opposite direction can be used for offsetting cutting force each other, and the therefore stock removal action of balanced power instrument.
Hole saw can be designed to improve precision, and the steady cutting on finished surface is provided, and reduces the fatigue of user in hole saw use procedure.
Hole saw can be designed so that with one or two hole saw saw blade.
Various types of jigsaw blade can be designed for specifically cutting object.
Hole saw can be designed so that user can be attached or remove hole saw saw blade from saw blade retainer.
Hole saw can be designed to comprise turning handle.
Hole saw can be designed to comprise pivoting handle.
Hole saw can be designed to handheld tool.
Hole saw can be designed to comprise one or more motor.
Hole saw can be designed to comprise one or more hole saw saw blades, and this hole saw saw blade comprises common repetition V-type tooth, W type tooth, replaces V-type tooth and W type tooth etc.
Hole saw can be designed to comprise one or more hole saw saw blades that comprise diamond cutting sword (that is: diamond particle sword).
Hole saw can be designed to comprise one or more hole saw saw blades, and this hole saw saw blade has at one side of one or two hole saw saw blade or the sawtooth on both sides.
Hole saw can be designed to comprise one or more hole saw saw blades, and this hole saw saw blade has sawtooth, and wherein every a teeth directional outer incline.
Hole saw can be designed to comprise one or more hole saw saw blades, and this hole saw saw blade has sawtooth, and wherein one or more teeth inclinations or tapered.
Hole saw can be designed to comprise one or more hole saw saw blades, and this hole saw saw blade comprises that one or more saw blade separators are with retaining hole saw blade spacing each other in the operating process at hole saw saw blade.
Hole saw can comprise two hole saw saw blades, in these two hole saw saw blades, external holes saw blade has common circular cross sectional shape, and the inside saw blade that is arranged at least in part the chamber of external holes saw blade is the wood drill head of the reverse rotation of shovel, with after boring in material for reducing or eliminating cutting material shutoff.
Hole saw can comprise two hole saw saw blades, and in these two hole saw saw blades, the first and second hole saw saw blades have different diameters to produce annular portion hole in cutting material; Yet this not necessarily.
Hole saw can comprise two hole saw saw blades, and in these two hole saw saw blades, the first and second hole saw saw blades have different saw blade thickness to promote the power that rotates backward of two hole saw saw blades of balance.
Hole saw can comprise two hole saw saw blades, and in these two hole saw saw blades, the first and second hole saw saw blades have the different numbers of teeth to promote the power that rotates backward of two hole saw saw blades of balance.
Hole saw can comprise two hole saw saw blades, and in these two hole saw saw blades, the first and second hole saw saw blades have the power that rotates backward that different teeth constructs to promote two hole saw saw blades of balance.
Hole saw can comprise two hole saw saw blades, in these two hole saw saw blades, external holes saw blade can comprise grooving, and this grooving can be used for making the boring of the cutting hole in material level and smooth, play like this work that is similar to reamer in order to accurately in accordance with regulations size make cutting hole.
Hole saw can comprise pin layout, and this pin is arranged and be can be used for thrusting in one or more openings of hole saw saw blade rear end, to promote the cutting plug of material to discharge from hole saw saw blade.
Hole saw can comprise two hole saw saw blades, and in these two hole saw saw blades, center bit can be used together with one or more hole saw saw blades.
Hole saw can comprise two hole saw saw blades, in these two hole saw saw blades, one or more hole saw saw blade housings can comprise one or more openings, with 1) promote the housing chamber removing materials from one or more hole saw saw blades, and/or 2) promote to cut by the material of hole saw saw blade.
A non-limiting object of the present invention is to provide many saw blades hole saw.
Another and/or optional non-limiting object of the present invention are: many saw blades hole saw is provided, and in this many saw blades hole saw, two or more hole saw saw blades rotate along opposite directions, and/or rotate with the speed being same to each other or different to each other.
Of the present invention also have another and/or optional non-limiting object to be: provide and be exclusively used in the power tool using together with one or more hole saw saw blades.
Of the present invention also have another and/or optional non-limiting object to be: hole saw gear attachment device is provided, this hole saw gear attachment device is designed so that one end is connected to the power tool such as power auger, and the other end is connected to one or two hole saw saw blade.
Of the present invention also have another and/or optional non-limiting object to be: hole saw gear attachment device is provided, and this hole saw gear attachment device comprises connecting to be arranged, the body that the housing of hole saw gear attachment device is connected to power tool is arranged in this connection.
Of the present invention also have another and/or optional non-limiting object to be: hole saw apparatus is provided, this hole saw apparatus comprise the use of two hole saw saw blades and wherein the structure of the cutting teeth on the first and second hole saw saw blades be different.
When reading and following following explanation with reference to accompanying drawing, these and other objects and advantages will be apparent to one skilled in the art.
Accompanying drawing explanation
Now can at this, be preferably in example with reference to the accompanying drawing that various preferred embodiments are shown, the present invention is in physical form, be set up and can take these preferred embodiments with certain part and part cloth, wherein:
Fig. 1 is the side view that includes the hole saw gear attachment device of two hole saw saw blades according to of the present invention;
Fig. 2 is the side view of Fig. 1 hole saw gear attachment device;
Fig. 3 is the face upwarding view of Fig. 1 hole saw gear attachment device;
Fig. 4 is the plan view from above of Fig. 1 hole saw gear attachment device;
Fig. 5 is the rear end view of Fig. 1 hole saw gear attachment device;
Fig. 6 is the front end view of Fig. 1 hole saw gear attachment device;
Fig. 7 is the cutaway view of Fig. 1 hole saw gear attachment device;
Fig. 8 is the side view of removing the hole saw gear attachment device of two hole saw saw blades;
Fig. 9 is the exploded view of Fig. 1 hole saw gear attachment device;
Figure 10 is the side view of removing the hole saw gear attachment device of housing in Fig. 1;
Figure 11 is the side view of removing Fig. 1 mesopore serrated wheel attachment device of housing and two hole saw saw blades; And,
Figure 12 is the side view that is connected to power tool and comprises Fig. 1 mesopore serrated wheel attachment device of the handle that is connected to hole saw gear attachment device housing.
Non-limiting example illustrates
Now, referring to accompanying drawing, content shown in it is only that Fig. 1-12 show the non-limiting example about hole saw of the present invention for non-limiting example of the present invention being described rather than being limited.
Referring to Fig. 1, hole saw gear attachment device 100 is designed to be connected to the power tool such as power auger 600 as shown in figure 12.
Hole saw gear attachment device 100 comprises housing 110.Geared system is positioned at housing, and this geared system is designed so that when cutting material, and the first hole saw saw blade 400 and the second hole saw saw blade 500 rotate along opposite directions simultaneously.Two shown hole saw saw blades are positioned at housing front end 120 places.Mandrel or driving shaft 210 stretch out from housing rear end 140.Mandrel 210 is designed to provide being connected between the housing of power auger 600 and hole saw gear attachment device 100.The material that is used to form hole saw gear attachment device is nonrestrictive.Normally, material is durable material, such as metal, plastics, composite etc.Shown in housing 110 there is common cube shaped; Yet this not necessarily.Housing can have any shape (such as: cylindrical, conical etc.).
Referring now to Fig. 1,7 and 9, the first hole saw saw blades 400 and the second hole saw saw blade 500, have separately and be generally columnar housing 410,510.The shape that it should be understood that the housing of two hole saw saw blades can have different shapes.The shape that it will also be appreciated that the housing of two hole saw saw blades can be identical or different.The material that is used to form one or two hole saw saw blade is nonrestrictive (such as metal, composite, pottery, plastics etc.).One or more hole saw saw blades can comprise diamond cutting sword (that is: diamond particle sword); Yet this not necessarily.Hole saw saw blade can be formed by identical or different material.As the clearest showing in Fig. 1, the external diameter of housing 510 is less than the internal diameter of housing 410 lumens 420, and housing 510 telescopicallies of such the second hole saw saw blade are received in the chamber 420 of housing 410.The size and dimension of housing 510 is chosen to conventionally when the housing 510 of the second hole saw saw blade is partially or even wholly positioned at the chamber 420 of housing 410, and two hole saw saw blades can rotate relative to each other.As shown in Figure 7, the inwall in the outer surface of most housing 510 and chamber 420 separates.Also as shown in Figure 7, the tooth on two hole saw saw blades 430,530 location that is closely adjacent to each other; Yet this not necessarily.In such layout, together with the tooth of two saw blades contacts each other or is more closely positioned at than the inwall in the outer surface of housing 510 and chamber 420; Yet this not necessarily.Such pitch arrangement can be used for suppressing or prevent from cutting material to enter in the spacing between the outer surface of housing 510 and the inwall in chamber 420; Yet this not necessarily.
The side of the housing of one or two hole saw saw blade selectively comprises one or more openings 440,540.Opening can be used for 1) material that cuts in the spacing between the outer surface of housing 510 and the inwall in chamber 420 is shifted out from spacing, 2) make can grasp one or two hole saw saw blade from hole saw gear attachment device when by one or two hole saw saw blade patchhole serrated wheel attachment device and/or while removing, 3) mating holes saw blade when by one or two hole saw saw blade patchhole serrated wheel attachment device and/or while removing from hole saw gear attachment device, and/or 4) promotion removing the material in chamber 420 and/or chamber 520.It should be understood that there is other or additional use and the function of one or more openings.
Tooth structure on two hole saw saw blades can be identical or different.As shown in Figure 6, the structure of the tooth on two hole saw saw blades is different.It is that the center rotating axis that some in tooth 532 are parallel to hole saw saw blade conventionally extends that the tooth structure of tooth 530 illustrates, and some the center rotating shaft lines towards hole saw saw blade in tooth 534 upcountry tilt.It is that the center rotating axis that some in tooth 432 are parallel to hole saw saw blade conventionally extends that the tooth structure of tooth 430 illustrates, and some the center rotating shaft alignment outer inclines towards hole saw saw blade in tooth 434.The angle of tooth 434,534 may be selected to and promotes 1) cutting of hole saw saw blade to material, 2) hole saw saw blade removing from cutting material, and/or 3) from chamber 420 and/or the material in chamber 520 remove.It should be understood that can there is other or additional advantage and the function of tooth on one or two hole saw saw blade structure.Nonrestrictive tooth structure and the material that is used to form hole saw saw blade with referring to mode include in shown in one or more patents herein and patent application.As shown in Fig. 2-4 and 7, the front end of the tooth of two hole saw saw blades is roughly concordant each other; Yet this not necessarily.As shown in Fig. 2-4 and 7, the second hole saw saw blade fully or be roughly fully arranged in the chamber of the first hole saw saw blade; Yet this not necessarily.
Now, referring to Fig. 7 and 9-11, a non-limiting layout is shown, this non-limiting layout is for making two hole saw saw blades rotate along contrary direction in the process of cutting material.As shown in Figure 7, the housing 110 of hole saw gear attachment device 100 is comprised of four parts, that is, and and main casing 120, top shell plate 130, rear portion shell plates 140 and front case plate 150.Top shell plate 130 is connected to main casing 120 by a plurality of screws 130, and this screw 132 inserts and is passed in the opening 134 in top shell plate, and matches with the screw openings 122 in main casing.Screw 142,152 for will be below and above shell plates be connected to main casing, it is by screw is inserted and is connected to the screw openings 122 in main casing through opening 144,154 and by screw.The structure of housing 110 is nonrestrictive.Housing can be by being less than that four parts form or by forming more than four parts.When using, one or more shell plateses can other or additional mode be connected to other parts (such as rivet, pin, bonding, weld seam, melting seam, springlock connection etc.) of housing.One or more parts of housing form by jet moulding; Yet this not necessarily.
The geared system 200 being partially or even wholly contained in housing 110 comprises novel geared system, and this geared system is for making two hole saw saw blades rotate along contrary direction in the process of cutting material.Geared system comprises mandrel 210.Mandrel 210 has the rear portion 214 that is designed to be connected to power tool.As defined herein, term " power tool " comprises the instrument of the rotatory force that can be provided for rotation mandrel.Such rotatory force can realize by the power that produces by electric power, user etc.In a non-limiting layout, power tool can be that electronic 600 conventional or user operates awl.Power set generally include tool bit retainer 610, and turning tool and/or material can be fixed and keep to this retainer.In a non-limiting layout, tool bit retainer can comprise and unclamps fast chuck.When using, chuck can from centering, individual jaw, many clamps, collet chuck, specific boot system (SDS), magnet, static or vacuum chuck.The rear portion 214 of mandrel 210 can have hexagonal configuration; Yet this not necessarily.Known in the state of the art can connection and back off tool from the chuck of the standard on power tool, and use known in the state of the art is at the structure at instrument upper chuck powered by conventional energy, therefore cartridge configuration is no longer further discussed, and at this, tool bit 610/ that rear portion of mandrel 210 214 is connected to power tool is not discussed yet and is thrown off the rear portion 214 of mandrel 210 from the tool bit 610 of power tool.
The front portion 212 of mandrel 210 is designed to extend through the opening 156 of the first axle bush 230, the first master gear 240, gear distance piece 250, the second master gear 260, gear-bearing 270, the second axle bush 280, center ring 300 and front case plate; Yet this not necessarily.Geared system is: the first master gear connects into the first master gear is rotated along the direction identical with mandrel, and the second master gear is along rotating with mandrel rightabout.The contrary rotation direction of the second gear realizes by the first and second pinions 310,320.As shown in FIG. 10 and 11, the first pinion 310 is designed to be meshed with the first master gear 240, but is not meshed with the second master gear 260, and the second pinion is designed to be meshed with the second master gear 260, and is not meshed with the first master gear 240.Two pinions are also designed to be meshed each other.The layout of pinion causes two master gears to rotate along contrary direction.For example, when mandrel rotates along clockwise direction by power tool, also make the first master gear 240 rotate along clockwise direction because the first master gear is connected to the first axle bush 230, this first axle bush 230 is connected to flange 220, and this flange 220 is connected to mandrel.Clockwise rotating of the first master gear rotated the first pinion 310 in the counterclockwise direction.The first pinion 310 in the counterclockwise direction rotation the second pinion 320 is rotated along clockwise direction.The second pinion 320 rotation is along clockwise direction rotated the second master gear in the counterclockwise direction.Because the second master gear is not attached to the body of mandrel, can make the second master gear rotate by pinion 310,320 rightabouts along the first master gear.Pinion 310,320 is in place by bar 330,340 and locking ring 350,360 supportings.It should be understood that above-described geared system is only to can be used for making the first and second hole saw saw blades along one in the multiple geared system of opposite directions rotation.
Referring now to Fig. 7, the first hole saw saw blade 400 is connected to the front portion 282 of the second axle bush 280.Anterior 282 can comprise thread surface, and this thread surface makes front flange part 450 be threaded io the second axle bush.It should be understood that the first hole saw saw blade can other or additional mode (such as screw, pin etc.) be connected to the other parts of the second axle bush and/or geared system.As shown in Figure 7, flange part 450 and the rear wall 460 of the first hole saw saw blade 400 comprise opening, and this opening makes the front portion 212 of mandrel can extend through flange part and rear wall; Yet this not necessarily.The first hole saw saw blade causes the first hole saw saw blade to rotate contrary direction around the center rotating axis rotation of hole saw saw blade along mandrel with the connection of the second axle bush.As shown in Figure 7, the central axis of mandrel is positioned at or roughly at the center rotating axis of hole saw saw blade.
The second hole saw saw blade is connected to saw blade connector 370.Saw blade connector comprises the flange 372 of the front end of the mandrel 210 that is designed to be connected to as shown in Figure 7.The front end of mandrel can comprise the chamber that is threaded, and this chamber that is threaded makes flange 372 be threaded io mandrel.It should be understood that other or additional connection layout can be used for saw blade connector to be connected to other parts of mandrel or geared system.Screw 374 is for being fixed to saw blade connector by the second hole saw saw blade.Screw designs become to be inserted through the hole 372 in saw blade connector, and the screw openings 552 being designed in the rear wall 550 with the second hole saw saw blade matches.It should be understood that other or additional connection layout can be used for the second hole saw saw blade to be connected to saw blade connector and/or mandrel and/or other parts of mandrel or geared system.The second hole saw saw blade causes the second hole saw saw blade along with mandrel rotates along identical direction with the connection that is connected to the saw blade connector of mandrel.As shown in Figure 7, the inner surface of the rear wall 550 of the second hole saw saw blade and the rear wall 460 of the first hole saw saw blade separates; Yet this not necessarily.Separating like this can be used for reducing the friction between the first and second hole saw saw blades that rotate in opposite direction along with two saw blades in cutting material process.
It should be understood that hole saw gear attachment device 100 can only use together with the first or second hole saw saw blade, if such layout is desired.
As shown in Figure 7, saw blade connector 370 can comprise drill bit opening 376 with matching, and this drill bit opening is designed to receive center bit 380.The front end of drill bit outwards extends and surpasses the leading edge of the tooth of the first and second hole saw saw blades; Yet this not necessarily.The use of center bit is matched.Center bit can be threaded connection or some other connection types are connected to saw blade connector.
It should be understood that hole saw gear attachment device 100 can fully be incorporated in the body of power tool to produce the power tool for using together with one or more hole saw saw blades.
Referring now to Figure 12, hole saw gear attachment device 100 can comprise one or more handles 390 that are connected to housing 110 with matching.Handle can be used for promoting the gripping of power tool when using together with hole saw gear accessories device 100.Handle also can be used for the torque that opposing causes by using hole saw gear attachment device on power tool.The type of handle and the position of handle on hole saw gear attachment device housing are nonrestrictive.
Therefore can see, apparently from those foregoing descriptions be, effectively realized above-mentioned purpose, and owing to not departing under the condition of spirit and scope of the invention, can make certain change to aforesaid structure, so mean and comprise in aforementioned description and all the elements shown in the drawings all should be construed to example and the hard-core meaning.With reference to preferably describing the present invention with alternative embodiment.After reading and having understood that the basis providing at this is of the present invention and discuss in detail, revise to one skilled in the art and modification will become apparent.This invention is intended to comprise all modifications and modification, as long as these modifications and modification are within the scope of the invention.Should also be understood that following claims are intended to cover the described here of the present invention general and specific features of the scope of the invention, and can be considered to drop on all statements within the scope of them according to language.With reference to preferred embodiment, the present invention is described.It is apparent that these and other of preferred embodiment of the present invention and other embodiment are revised from disclosing of this paper, and therefore above-mentioned illustrative contents should be only as explanation of the present invention is not construed as limiting the invention.This invention is intended to comprise all modifications and modification, as long as these modifications and modification are within the scope of the appended claims.
Claims (30)
1. the hole saw for cutting material, described hole saw comprises drive system and hole saw geared system, described hole saw geared system comprises the first and second hole saw connectors, shown in the first hole saw stud connector design become to be connected to the first hole saw, described the second hole saw stud connector design becomes to connect the second hole saw, described hole saw geared system comprises gear train, and described gear train is rotated described the first hole saw connector and described the second hole saw connector when described drive system starts along contrary direction.
2. hole saw as claimed in claim 1, it is characterized in that, described drive system comprises energy clockwise and the single driving shaft rotating counterclockwise, described single driving shaft can coordinate with described hole saw geared system, and the described rotation of described single driving shaft makes described the first hole saw connector and described the second hole saw connector rotate along contrary direction.
3. hole saw as claimed in claim 1, is characterized in that, the described gear train of described hole saw geared system comprises a plurality of gears, and described design of gears becomes to make described the first hole saw connector and described the second hole saw connector to rotate along contrary direction.
4. hole saw as claimed in claim 2, is characterized in that, the described gear train of described hole saw geared system comprises a plurality of gears, and described design of gears becomes to make described the first hole saw connector and described the second hole saw connector to rotate along contrary direction.
5. hole saw as claimed in claim 2, it is characterized in that, described single driving shaft is positioned to be parallel to the center rotating axis of described the first and second hole saw saw blades, and described the first hole saw connector and described the second hole saw connector are about described center rotating axis centering.
6. the hole saw as described in claim 3 or 4, it is characterized in that, described single driving shaft is positioned to be parallel to the center rotating axis of described the first and second hole saw saw blades, and described the first hole saw connector and described the second hole saw connector are about described center rotating axis centering.
7. hole saw as claimed in claim 1, it is characterized in that, described the first hole saw saw blade comprises housing, described housing has front end and chamber, described the second hole saw saw blade comprises housing and front end, when described the first hole saw connector is connected to described the first hole saw and described the second hole saw connector and is connected to the second hole saw, the described housing of described the second hole saw saw blade is arranged in the described chamber of described the first hole saw saw blade at least in part, the described chamber of described the second hole saw saw blade and described housing have makes in the described chamber of described housing that described housing at described the second hole saw saw blade is arranged in described the first hole saw saw blade at least in part described the second hole saw saw blade can be along the shape and size of rotating with respect to described the first hole saw saw blade rightabout.
8. the hole saw as described in claim 2-6, it is characterized in that, described the first hole saw saw blade comprises housing, described housing has front end and chamber, described the second hole saw saw blade comprises housing and front end, when described the first hole saw connector is connected to described the first hole saw and described the second hole saw connector and is connected to the second hole saw, the described housing of described the second hole saw saw blade is arranged in the described chamber of described the first hole saw saw blade at least in part, the described chamber of described the second hole saw saw blade and described housing have makes in the described chamber of described housing that described housing at described the second hole saw saw blade is arranged in described the first hole saw saw blade at least in part described the second hole saw saw blade can be along rotating with respect to described the first hole saw saw blade rightabout.
9. hole saw as claimed in claim 7, is characterized in that, the described front end of the described front end of described the first hole saw saw blade and described the second hole saw saw blade is positioned at roughly the same plane.
10. hole saw as claimed in claim 8, is characterized in that, the described front end of the described front end of described the first hole saw saw blade and described the second hole saw saw blade is positioned at roughly the same plane.
11. hole saws as claimed in claim 7, it is characterized in that, described the first and second hole saw saw blades comprise a plurality of teeth at the described front end place that is positioned at two hole saw saw blades, the described tooth on described the first hole saw saw blade have with described the second hole saw saw blade on heteroid tooth.
12. hole saws as described in claim 8-10, it is characterized in that, described the first and second hole saw saw blades comprise a plurality of teeth at the described front end place that is positioned at two hole saw saw blades, the described tooth on described the first hole saw saw blade have with described the second hole saw saw blade on heteroid tooth.
13. hole saws as claimed in claim 11, is characterized in that, a plurality of teeth on described the second hole saw saw blade are angled in described center rotating shaft alignment, and a plurality of teeth on described the first hole saw saw blade are angled from described center rotating shaft alignment.
14. hole saws as claimed in claim 12, is characterized in that, a plurality of teeth on described the second hole saw saw blade are angled in described center rotating shaft alignment, and a plurality of teeth on described the first hole saw saw blade are angled from described center rotating shaft alignment.
15. hole saws as claimed in claim 1, is characterized in that, the major part of described drive system and described hole saw gear attachment device is arranged in the described identical body of described hole saw.
16. hole saws as described in claim 2-14, is characterized in that, the major part of described drive system and described hole saw gear attachment device is arranged in the described identical body of described hole saw.
17. hole saws as claimed in claim 1, it is characterized in that, described drive system is positioned on the body of described hole saw, and the major part of described hole saw geared system to be positioned at described of described hole saw external, and can with the described body of described drive system on throw off.
18. hole saws as described in claim 2-14, it is characterized in that, described drive system is positioned on the body of described hole saw, and the major part of described hole saw geared system to be positioned at described of described hole saw external, and can with the described body of described drive system on throw off.
19. 1 kinds of hole saw gear attachment devices that are designed to be connected to the first and second hole saw saw blades, described hole saw gear attachment device comprises the first and second hole saw connectors, gear train and driving connector, described driving stud connector design becomes to be connected to drive system and rotate clockwise and counterclockwise on edge, described the first hole saw stud connector design becomes to be connected to the first hole saw, described the second hole saw stud connector design becomes to be connected to the second hole saw, described gear train is between described driving connector and described the first and second hole saw connectors, described gear train is rotated described the first hole saw connector and described the second hole saw connector when described driving connector rotates along contrary direction.
20. hole saw geared systems as claimed in claim 19, is characterized in that, described gear train comprises a plurality of gears, and described design of gears becomes to make described the first hole saw connector and described the second hole saw connector to rotate along contrary direction.
21. hole saw geared systems as claimed in claim 19, is characterized in that, described the first hole saw connector and described the second hole saw connector are about center rotating axis centering.
22. hole saw geared systems as claimed in claim 20, is characterized in that, described the first hole saw connector and described the second hole saw connector are about center rotating axis centering.
23. hole saw geared systems as claimed in claim 19, it is characterized in that, described the first hole saw saw blade comprises housing, described housing has front end and chamber, described the second hole saw saw blade comprises housing and front end, when described the first hole saw connector is connected to described the first hole saw and described the second hole saw connector and is connected to the second hole saw, the described housing of described the second hole saw saw blade is arranged in the described chamber of described the first hole saw saw blade at least in part, the described chamber of described the second hole saw saw blade and described housing have makes in the described chamber of described housing that described housing at described the second hole saw saw blade is arranged in described the first hole saw saw blade at least in part described the second hole saw saw blade can be along the shape and size of rotating with respect to described the first hole saw saw blade rightabout.
24. hole saw geared systems as described in claim 20-22, it is characterized in that, described the first hole saw saw blade comprises housing, described housing has front end and chamber, described the second hole saw saw blade comprises housing and front end, when described the first hole saw connector is connected to described the first hole saw and described the second hole saw connector and is connected to the second hole saw, the described housing of described the second hole saw saw blade is arranged in the described chamber of described the first hole saw saw blade at least in part, the described chamber of described the second hole saw saw blade and described housing have makes in the described chamber of described housing that described housing at described the second hole saw saw blade is arranged in described the first hole saw saw blade at least in part described the second hole saw saw blade can be along the shape and size of rotating with respect to described the first hole saw saw blade rightabout.
25. hole saw geared systems as claimed in claim 23, is characterized in that, the described front end of the described front end of described the first hole saw saw blade and described the second hole saw saw blade is positioned at roughly the same plane.
26. hole saw geared systems as claimed in claim 24, is characterized in that, the described front end of the described front end of described the first hole saw saw blade and described the second hole saw saw blade is positioned at roughly the same plane.
27. hole saw geared systems as claimed in claim 23, it is characterized in that, described the first and second hole saw saw blades comprise a plurality of teeth at the described front end place that is positioned at two hole saw saw blades, the described tooth on described the first hole saw saw blade have with described the second hole saw saw blade on heteroid tooth.
28. hole saw geared systems as described in claim 24-26, it is characterized in that, described the first and second hole saw saw blades comprise a plurality of teeth at the described front end place that is positioned at two hole saw saw blades, the described tooth on described the first hole saw saw blade have with described the second hole saw saw blade on heteroid tooth.
29. hole saw geared systems as claimed in claim 23, it is characterized in that, a plurality of teeth on described the second hole saw saw blade are angled in described center rotating shaft alignment, and a plurality of teeth on described the first hole saw saw blade are angled from described center rotating shaft alignment.
30. hole saw geared systems as described in claim 24-28, it is characterized in that, a plurality of teeth on described the second hole saw saw blade are angled in described center rotating shaft alignment, and a plurality of teeth on described the first hole saw saw blade are angled from described center rotating shaft alignment.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161450232P | 2011-03-08 | 2011-03-08 | |
| US201161450225P | 2011-03-08 | 2011-03-08 | |
| US61/450,225 | 2011-03-08 | ||
| US61/450,232 | 2011-03-08 | ||
| PCT/US2012/026923 WO2012154283A1 (en) | 2011-03-08 | 2012-02-28 | Dual blade hole saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103534053A true CN103534053A (en) | 2014-01-22 |
Family
ID=47139486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280022203.XA Pending CN103534053A (en) | 2011-03-08 | 2012-02-28 | Dual blade hole saw |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103534053A (en) |
| WO (1) | WO2012154283A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983732A (en) * | 2015-03-16 | 2016-10-05 | Ac（澳门离岸商业服务）有限公司 | Drywall repair kit and method |
| CN107073596A (en) * | 2015-03-06 | 2017-08-18 | 里奇工具公司 | Hole saw bores guiding device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170143351A1 (en) * | 2015-11-23 | 2017-05-25 | Nelorussi Corporation | Implant placement trephine, prepackaged and sized implant / trephine kit, and methods of use |
| NO341673B1 (en) * | 2016-12-23 | 2017-12-18 | Sapeg As | Downhole stuck object removal tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4306570A (en) * | 1980-08-20 | 1981-12-22 | Matthews Larry S | Counter rotating biopsy needle |
| CN2099007U (en) * | 1991-04-20 | 1992-03-18 | 铁道部浦镇车辆工厂 | Circular hole saw used by carpenter |
| CN1919511A (en) * | 2003-02-18 | 2007-02-28 | 格林利德事隆公司 | Universal quick change hole saw arbor |
| CN201175780Y (en) * | 2007-11-16 | 2009-01-07 | 布莱克和戴克公司 | Minitype hole saw mandril device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003901440A0 (en) * | 2003-03-28 | 2003-04-10 | Keightley, Kym John | An improved hole saw boss |
| SE528637C2 (en) * | 2004-10-14 | 2007-01-09 | Indocean Diamond Tools Bermuda | Drive device for a twin cutter with counter-rotating blades |
| US8201642B2 (en) * | 2009-01-21 | 2012-06-19 | Baker Hughes Incorporated | Drilling assemblies including one of a counter rotating drill bit and a counter rotating reamer, methods of drilling, and methods of forming drilling assemblies |
-
2012
- 2012-02-28 WO PCT/US2012/026923 patent/WO2012154283A1/en active Application Filing
- 2012-02-28 CN CN201280022203.XA patent/CN103534053A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4306570A (en) * | 1980-08-20 | 1981-12-22 | Matthews Larry S | Counter rotating biopsy needle |
| CN2099007U (en) * | 1991-04-20 | 1992-03-18 | 铁道部浦镇车辆工厂 | Circular hole saw used by carpenter |
| CN1919511A (en) * | 2003-02-18 | 2007-02-28 | 格林利德事隆公司 | Universal quick change hole saw arbor |
| CN201175780Y (en) * | 2007-11-16 | 2009-01-07 | 布莱克和戴克公司 | Minitype hole saw mandril device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073596A (en) * | 2015-03-06 | 2017-08-18 | 里奇工具公司 | Hole saw bores guiding device |
| CN107073596B (en) * | 2015-03-06 | 2020-06-30 | 里奇工具公司 | Hole saw drill guide |
| CN105983732A (en) * | 2015-03-16 | 2016-10-05 | Ac（澳门离岸商业服务）有限公司 | Drywall repair kit and method |
| CN105983732B (en) * | 2015-03-16 | 2019-04-16 | 创科（澳门离岸商业服务）有限公司 | Dry wall maintenance tool and method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012154283A1 (en) | 2012-11-15 |
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Application publication date: 20140122 |