CN103372834B - Ratchet wrench - Google Patents

Ratchet wrench Download PDF

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Publication number
CN103372834B
CN103372834B CN201210105455.0A CN201210105455A CN103372834B CN 103372834 B CN103372834 B CN 103372834B CN 201210105455 A CN201210105455 A CN 201210105455A CN 103372834 B CN103372834 B CN 103372834B
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CN
China
Prior art keywords
wrench body
driving wheel
moving part
perforation
driven pulley
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Expired - Fee Related
Application number
CN201210105455.0A
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Chinese (zh)
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CN103372834A (en
Inventor
杨月英
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN201210105455.0A priority Critical patent/CN103372834B/en
Publication of CN103372834A publication Critical patent/CN103372834A/en
Application granted granted Critical
Publication of CN103372834B publication Critical patent/CN103372834B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a ratchet wrench which mainly comprises a wrench body. A driving wheel and a driven wheel which are meshed with each other are arranged in the wrench body, ratchets are arranged on the inner wall surface of a carrying groove of the wrench body, wheel teeth of the driving wheel are meshed with wheel teeth of the driven wheel, the wheel teeth of the driving wheel and the wheel teeth of the driven wheel are spirally arranged, ratchets are arranged on the various wheel teeth of the driven wheel and are clamped with the ratchets on the inner wall surface of the carrying groove, a linkage part is arranged in a through hole of the driven wheel, one end of the linkage part is connected with a shifting part arranged on the outer side of the wrench body, the other end of the linkage part is positioned on a cover plate, an ejecting block is arranged on the linkage part and is disposed in the through hole of the driven wheel, and a spring is positioned between the ejecting block and the linkage part. The ratchet wrench has the advantages that the rotation direction of the driving wheel can be conveniently changed by the aid of switching action of the shifting part, and the optimal clamping braking effect can be realized.

Description

Ratchet spanner
Technical field
The present invention has about a kind of ratchet spanner, refers to a kind of switching by shifting part especially, conveniently can change the direction of rotation of driving wheel, can reach effect of best clip braking, and have the ratchet spanner of stability during transmission.
Background technology
Be generally the locking and dismounting that coordinate different types of bolt or nut, mostly rely on ratchet spanner to coordinate different sleeves to use, and general ratchet spanner 1, refer to shown in Fig. 1, mainly be provided with a wrench body 10, this wrench body 10 is provided with storage tank 100 and a bearing groove 101, this storage tank 100 is provided with an open-work 102, this bearing groove 101 is provided with a control delthyrium 103, the wall of this bearing groove 101 is provided with a shrinkage pool 104, one driving wheel 11 is located in the storage tank 100 of this wrench body 10, one adjustment block 12 is located in the bearing groove 101 of this wrench body 10, the gear teeth 110 on this driving wheel 11 engage each other with the teeth 120 of this adjustment block 12, this driving wheel 11 is provided with telescoping column 111, and the middle part of the opposite side of this adjustment block 12 is provided with convex body 121, the both sides of this convex body 121 are formed with cancave cambered surface 122, and in the shrinkage pool 104 of this wrench body 10, be provided with positioning ball 13 and a spring 14, this positioning ball 13 is on the wherein cancave cambered surface 122 being located at this adjustment block 12, one control handle 15 is located on the lateral surface of this wrench body 10, this control handle 15 is also connected with adjustment block 12 by an axostylus axostyle 16, one catch 17 is covered in this wrench body 10, by means of bolting element 18, this catch 17 is fixedly arranged in this wrench body 10, this catch 17 is provided with the sleeve hole 170 supplying the telescoping column 111 of driving wheel 11 to wear, and the shaft lever hole 171 that wears for axostylus axostyle 16, so, carry out interlock adjustment block 12 rotate to stir control handle 15, one end of adjustment block 12 is transferred on a side wall surface of the bearing groove 101 being posted by wrench body 10, braking is supported by means of adjustment block 12, to reach the single-direction transmission of driving wheel 11, but, the driving wheel 11 of general ratchet spanner 1 and the teeth 120 of adjustment block 12 are a little or the contact of line when engaging, engaged transmission that cannot be stable, therefore have jumping tooth, the untrue situation of transmission produces, and the braking of adjustment block 12 pairs of driving wheels 11, the wall of adjustment block 12 and the wall of bearing groove 101 is only relied on mutually to support clip, but its wall is even surface, its frictional force is little, therefore clip poor effect, the phenomenon of slippage is easily had to occur, really effect of clip braking cannot be reached, edge this, the present inventor, because existing ratchet spanner has disappearance described above, so to concentrate on studies, improve, is initiated out the present invention then.
Summary of the invention
Main purpose of the present invention, is to provide a kind of ratchet spanner, the switching driving wheel rotation direction of Absorbable organic halogens, and the clip that can reach the best brakes effect, and has stability during transmission.
Ratchet spanner of the present invention, mainly be provided with a wrench body, one side of the working end of this wrench body is provided with concave surface, a storage tank and a bearing groove is provided with in this concave surface, this storage tank is connected with bearing groove, the another side of this working end is provided with a break-through in the open-work of this storage tank, and the outside of this wrench body is provided with shifting part; One driving wheel, is located in the storage tank of this wrench body, and this driving wheel is provided with the gear teeth, and the side of this driving wheel is provided with positioning convex body, and this positioning convex body is arranged in the open-work of this wrench body, and the opposite side of this driving wheel is provided with sleeve extension rod; One driven pulley, be located in the bearing groove of this wrench body, this driven pulley is provided with the gear teeth, and the gear teeth of this driven pulley are meshed with the gear teeth of this driving wheel; One cover plate, is covered on the concave surface of this wrench body, and this cover plate is provided with an open-work worn for the sleeve extension rod of this driving wheel;
Wherein: the internal face of the bearing groove of this wrench body is provided with ratchet, each gear teeth of this driven pulley are provided with ratchet, ratchet on ratchet on this driven pulley and this bearing groove internal face holds mutually, the gear teeth of this driving wheel are arranged in the shape of a spiral, and the gear teeth of this driven pulley coordinate the gear teeth of this driving wheel also to arrange in the shape of a spiral, this driven pulley is provided with a perforation, one moving part is located in the perforation of this driven pulley, one end of this moving part is connected with the shifting part be located at outside this wrench body, the other end of this moving part is positioned on this cover plate, this moving part is provided with perforation, one holds block is located on this moving part, and establish in the perforation of this driven pulley, this holds block and is provided with one for the projection be arranged in the perforation of this moving part, one spring housing is located at this and is held on the projection of block, this spring holds between block and this moving part at this.
Described ratchet spanner, wherein, the position another side of the working end of this wrench body corresponding to this bearing groove is provided with a groove, concave surface in this wrench body is provided with several perforation being communicated to this groove, the side of this moving part is provided with a positioning convex body, the opposite side of this moving part is provided with a positioning convex column, a catch is provided with in the groove of this wrench body, this catch is provided with an open-work worn for the positioning convex body of moving part, on this catch, the punch position corresponded on the groove of this wrench body is provided with screw, this shifting part is located on the lateral surface of this catch, this shifting part is provided with a perforation, an attachment member is equipped with in the perforation of this shifting part, this attachment member is arranged on the positioning convex body of this moving part, and this cover plate is provided with one to wear location positional punch for the positioning convex column of this moving part opposite side, on this cover plate, the punch position corresponded on the concave surface of this wrench body is provided with perforation, the perforation of this cover plate and this wrench body is arranged in by means of bolting element, and spiral shell is located in the screw of this catch.
The invention has the beneficial effects as follows: by means of the mutual snap-in location of ratchet on the ratchet on the gear teeth of driven pulley and bearing trough wall surface, really effect of clip braking can be reached, do not have the situation generation that slippage cannot be braked, and the gear teeth of driving wheel and the gear teeth of driven pulley are arranged in the shape of a spiral, intermeshing contact area can be made to strengthen, make occlusion and transmission more stable really, therefore do not have jumping tooth, the untrue situation generation of transmission.
Accompanying drawing explanation
Figure 1 shows that the three-dimensional exploded view of existing ratchet spanner;
Figure 2 shows that the three-dimensional exploded view of the embodiment of the present invention;
Figure 3 shows that the three-dimensional combination figure of the embodiment of the present invention;
Figure 4 shows that the three-dimensional combination figure of another angle of the embodiment of the present invention;
Figure 5 shows that the embodiment of the present invention switches the schematic diagram of driving wheel clip braking direction;
Figure 6 shows that the schematic diagram of embodiment of the present invention idling conditions;
Figure 7 shows that the embodiment of the present invention switches another clip braking schematic diagram turned to of driving wheel.
Description of reference numerals: 1-ratchet spanner; 10-wrench body; 100-storage tank; 101-bearing groove; 102-open-work; 103-controls delthyrium; 104-shrinkage pool; 11-driving wheel; The 110-gear teeth; 111-telescoping column; 12-adjustment block; 120-teeth; 121-convex body; 122-cancave cambered surface; 13-positioning ball; 14-spring; 15-control handle; 16-axostylus axostyle; 17-catch; 170-sleeve hole; 171-shaft lever hole; 18-bolting element; 2-wrench body; 20-working end; 21-concave surface; 210-bores a hole; 22-storage tank; 220-open-work; 23-bearing groove; 230-groove; 231-ratchet; 3-driving wheel; The 30-gear teeth; 31-positioning convex body; 32-sleeve extension rod; 4-driven pulley; The 40-gear teeth; 41-ratchet; 42-bores a hole; 43-moving part; 430-bores a hole; 431-positioning convex body; 432-positioning convex column; 44-holds block; 440-projection; 45-spring; 5-catch; 50-open-work; 51-screw; 52-shifting part; 520-bores a hole; 53-attachment member; 6-cover plate; 60-open-work; 61-positional punch; 62-bores a hole; 63-bolting element.
Detailed description of the invention
Relevant the present invention reaches above-mentioned application target and effect, the technological means adopted, and hereby enumerate better feasible embodiment, and coordinate shown in accompanying drawing, details are as follows:
Embodiments of the invention, refer to shown in Fig. 2 ~ Fig. 5, mainly be provided with a wrench body 2, one side of the working end 20 of this wrench body 2 is provided with concave surface 21, storage tank 22 and a bearing groove 23 is provided with in this concave surface 21, this storage tank 22 is connected with bearing groove 23, the another side of this working end 20 is provided with a break-through in the open-work 220 of this storage tank 22, the position another side of this working end 20 corresponding to this bearing groove 23 is provided with a groove 230, be provided with several perforation 210 in this concave surface 21 and be communicated to this groove 230, both sides relative on the internal face of this bearing groove 23 are respectively provided with several ratchet 231, one driving wheel 3, is located in the storage tank 22 of this wrench body 2, and the gear teeth 30 of this driving wheel 3 are arranged in the shape of a spiral, and the side of this driving wheel 3 is provided with positioning convex body 31, and opposite side is provided with sleeve extension rod 32, one driven pulley 4, be located in the bearing groove 23 of this wrench body 2, the gear teeth 40 of this driven pulley 4 are meshed with the gear teeth 30 of this driving wheel 3, the gear teeth 40 of this driven pulley 4 coordinate the gear teeth 30 of this driving wheel 3 also to arrange in the shape of a spiral, each gear teeth 40 of this driven pulley 4 are equipped with several ratchet 41, this driven pulley 4 is provided with a perforation 42, one moving part 43 is located in this perforation 42, this moving part 43 is provided with perforation 430, the side of this moving part 43 is provided with a positioning convex body 431, opposite side is provided with a positioning convex column 432, one holds block 44 is located on this moving part 43, and establish in the perforation 42 of this driven pulley 4, this holds block 44 and is provided with a projection 440, one spring 45 is sheathed on this projection 440, and hold between block 44 and this moving part 43 at this, one catch 5, be located on the groove 230 of this wrench body 2, this catch 5 is provided with an open-work 50, on this catch 5, perforation 210 position corresponded on the groove 230 of this wrench body 2 is provided with screw 51, the lateral surface of this catch 5 is provided with a shifting part 52, this shifting part 52 is provided with a perforation 520, is equipped with an attachment member 53 in this perforation 520, and this attachment member 53 is arranged on the positioning convex body 431 of this moving part 43 side, one cover plate 6, be covered on the concave surface 21 of this wrench body 2, this cover plate 6 is provided with an open-work 60, this cover plate 6 is separately provided with a positional punch 61 worn for the positioning convex column 432 of this moving part 43, on this cover plate 6, perforation 210 position corresponded on the concave surface 21 of this wrench body 2 is provided with perforation 62, be equipped with bolting element 63 in this perforation 62, so, be the structure of a ratchet spanner.
During assembling, refer to shown in Fig. 2 ~ Fig. 5, first the positioning convex body 431 of this moving part 43 side is arranged in the open-work 50 of this catch 5, by means of attachment member 53, shifting part 52 is fixedly arranged on the positioning convex body 431 of this moving part 43, this shifting part 52 is made to be located at the outside of this catch 5, this catch 5 is located on the groove 230 of this wrench body 2, again spring 45 is sheathed on this projection 440 holding block 44, this projection 440 is arranged in the perforation 430 of this moving part 43, make moving part 43, holding block 44 is located in the bearing groove 23 of wrench body 2 with spring 45, again this driven pulley 4 is established in the bearing groove 23 of this wrench body 2, and make this moving part 43, hold block 44 and spring 45 is placed in the perforation 42 of driven pulley 4 in the lump, separately driving wheel 3 is placed in the storage tank 22 of wrench body 2, the gear teeth 40 of driven pulley 4 are engaged each other with the gear teeth 30 of driving wheel 3, the screw 51 of this catch 5 is then aligned with the perforation 210 of this wrench body 2, again cover plate 6 is covered on the concave surface 21 of this wrench body 2, the sleeve extension rod 32 be located in the storage tank 22 of wrench body 2 is extended through the open-work 60 of this cover plate 6, the positioning convex column 432 of the moving part 43 in the perforation 42 of this driven pulley 4 is then arranged in the positional punch 61 of this cover plate 6, again bolting element 63 is arranged in the perforation 62 of this cover plate 6 and the perforation 210 of wrench body 2, and spiral shell is located in the screw 51 of catch 5, driving wheel 3 and driven pulley 4 and internals thereof are fixedly arranged on the storage tank 22 of wrench body 2 with in bearing groove 23, so, overall assembling can be completed.
During use, refer to Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, shifting part 52 is switched for the direction of rotating with wrench body 2, when wrench body 2 rotates use for exerting a force clockwise, only shifting part 52 must be pulled clockwise to wrench body 2 for rotate direction (as Fig. 4, shown in Fig. 5), this shifting part 52 drives moving part 43 to rotate, moving part 43 drives hold block 44 and rotate in the perforation 42 of driven pulley 4, this holds the elasticity pushing tow of block 44 by spring 45, and drive driven pulley 4 in bearing groove 23 internal shift of wrench body 2, by means of the elasticity pushing tow of spring 45, this driven pulley 4 moves up and reclines (as shown in Figure 5) with the internal face on bearing groove 23 top of wrench body 2, ratchet on the gear teeth 40 of this driven pulley 4 41 holds mutually with the ratchet 231 in bearing groove 23 upper inside wall face, one space is then formed at the bottom of this bearing groove 23, and when wrench body 2 rotates clockwise use, 30, the gear teeth of this driving wheel 3 oppositely promote the gear teeth 40 of driven pulley 4, this driven pulley 4 is identical with the direction of rotation of wrench body 2 in turning clockwise (as shown in Figure 5), ratchet 41 on driven pulley 4 is then closely fastened in the ratchet 231 on bearing groove 23, form clip on-position, driving wheel 3 cannot be rotated, and make the sleeve barrel tool (not shown) be socketed on the sleeve extension rod 32 of this driving wheel 3 be able to the action of disassembling the element such as nut or bolt or locking, and be positioned at lower pan position when shifting part 52 is stirred clockwise, and this wrench body 2 is when oppositely rotating counterclockwise, driven pulley 4 can be passed (as shown in Figure 6) slightly towards the position in tool space, bearing groove 23 bottom by this driving wheel 3, ratchet 41 on the gear teeth 40 of this driven pulley 4 can not be engaged mutually with the ratchet 231 on bearing groove 23 wall, this driven pulley 4 is then able to by driving wheel 3 driven rotary, form idling conditions, in addition, when wrench body 2 will oppositely in when force rotates use counterclockwise, only must switch shifting part 52, shifting part 52 is upwards dialed to counterclockwise wrench body 2 for rotate direction (as Fig. 4, shown in Fig. 7), this shifting part 52 drives moving part 43 to be rotated counterclockwise, moving part 43 drives hold block 44 and rotate in the perforation 42 of driven pulley 4, this holds the elasticity pushing tow of block 44 by spring 45, and drive driven pulley 4 in the bearing groove 23 of wrench body 2 to lower displacement, one space is then formed at the top of this bearing groove 23, by means of the elasticity pushing tow of spring 45, driven pulley 4 is moved down and reclines (as shown in Figure 7) with the internal face of bearing groove 23 bottom of wrench body 2, when wrench body 2 rotates counterclockwise use, 30, the gear teeth of this driving wheel 3 turn clockwise promote driven pulley 4 the gear teeth 40 in rotating counterclockwise, ratchet 41 on driven pulley 4 is then closely fastened in the ratchet 231 of bearing groove 23 bottom, and form clip on-position, driving wheel 3 cannot be rotated, and the sleeve barrel tool (not shown) be socketed on the sleeve extension rod 32 of this driving wheel 3 is able to the action of disassembling the element such as nut or bolt or locking, and be positioned at superior displacement put when shifting part 52 is stirred counterclockwise, when wrench body 2 rotates clockwise, the position of driven pulley 4 slightly towards tool space, bearing groove 23 top can be passed by this driving wheel 3, ratchet 41 on the gear teeth 40 of this driven pulley 4 can not be engaged mutually with the ratchet 231 on bearing groove 23 wall, this driven pulley 4 is then able to by driving wheel 3 driven rotary, form idling conditions, so, by means of the ratchet 41 on the gear teeth 40 of driven pulley 4 and the snap-in location mutually of the ratchet 231 on bearing groove 23 wall, really effect of clip braking can be reached, do not have the situation generation that slippage cannot be braked, and the gear teeth 30 of driving wheel 3 are arranged in the shape of a spiral with the gear teeth 40 of driven pulley 4, intermeshing contact area can be made to strengthen, make occlusion and transmission more stable really, therefore do not have jumping tooth, the untrue situation of transmission produces.
In sum, the present invention has reached desired application target and effect really, and more comparatively prior art is desirable, practical for it, but, above-described embodiment is only specifically described for preferred embodiment of the present invention, this embodiment is also not used to limit claim of the present invention, such as other equalization change completed under not departing from disclosed technological means with modify, all should be contained in the claim that the present invention contains.

Claims (2)

1. a ratchet spanner, be provided with a wrench body, one side of the working end of this wrench body is provided with concave surface, a storage tank and a bearing groove is provided with in this concave surface, this storage tank is connected with bearing groove, the another side of this working end is provided with a break-through in the open-work of this storage tank, and the outside of this wrench body is provided with shifting part; One driving wheel, is located in the storage tank of this wrench body, and this driving wheel is provided with the gear teeth, and the side of this driving wheel is provided with positioning convex body, and this positioning convex body is arranged in the open-work of this wrench body, and the opposite side of this driving wheel is provided with sleeve extension rod; One driven pulley, be located in the bearing groove of this wrench body, this driven pulley is provided with the gear teeth, and the gear teeth of this driven pulley are meshed with the gear teeth of this driving wheel; One cover plate, is covered on the concave surface of this wrench body, and this cover plate is provided with an open-work worn for the sleeve extension rod of this driving wheel;
It is characterized in that: the internal face of the bearing groove of this wrench body is provided with ratchet, each gear teeth of this driven pulley are provided with ratchet, ratchet on ratchet on this driven pulley and this bearing groove internal face holds mutually, the gear teeth of this driving wheel are arranged in the shape of a spiral, and the gear teeth of this driven pulley coordinate the gear teeth of this driving wheel also to arrange in the shape of a spiral, this driven pulley is provided with a perforation, one moving part is located in the perforation of this driven pulley, one end of this moving part is connected with the shifting part be located at outside this wrench body, the other end of this moving part is positioned on this cover plate, this moving part is provided with perforation, one holds block is located on this moving part, and establish in the perforation of this driven pulley, this holds block and is provided with one for the projection be arranged in the perforation of this moving part, one spring housing is located at this and is held on the projection of block, this spring holds between block and this moving part at this.
2. ratchet spanner as claimed in claim 1, it is characterized in that: the position another side of the working end of this wrench body corresponding to this bearing groove is provided with a groove, concave surface in this wrench body is provided with several perforation being communicated to this groove, the side of this moving part is provided with a positioning convex body, the opposite side of this moving part is provided with a positioning convex column, a catch is provided with in the groove of this wrench body, this catch is provided with an open-work worn for the positioning convex body of moving part, on this catch, the punch position corresponded on the groove of this wrench body is provided with screw, this shifting part is located on the lateral surface of this catch, this shifting part is provided with a perforation, an attachment member is equipped with in the perforation of this shifting part, this attachment member is arranged on the positioning convex body of this moving part, and this cover plate is provided with one to wear location positional punch for the positioning convex column of this moving part opposite side, on this cover plate, the punch position corresponded on the concave surface of this wrench body is provided with perforation, the perforation of this cover plate and this wrench body is arranged in by means of bolting element, and spiral shell is located in the screw of this catch.
CN201210105455.0A 2012-04-11 2012-04-11 Ratchet wrench Expired - Fee Related CN103372834B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210105455.0A CN103372834B (en) 2012-04-11 2012-04-11 Ratchet wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210105455.0A CN103372834B (en) 2012-04-11 2012-04-11 Ratchet wrench

Publications (2)

Publication Number Publication Date
CN103372834A CN103372834A (en) 2013-10-30
CN103372834B true CN103372834B (en) 2014-12-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210105455.0A Expired - Fee Related CN103372834B (en) 2012-04-11 2012-04-11 Ratchet wrench

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437121A (en) * 2014-08-26 2016-03-30 陈怡富 Improved ratchet wrench structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800821A (en) * 1953-10-01 1957-07-30 New Britain Machine Co Angularly adjustable, reversible ratchet wrench
CN2073351U (en) * 1990-08-10 1991-03-20 丁肇醇 Box changing structure of box spanner
TW200718514A (en) * 2005-11-04 2007-05-16 zhen-qin Hong Main body structure for ratchet wrench
TW201000268A (en) * 2008-06-24 2010-01-01 Hou-Fei Hu Reversible ratchet wrench with lateral triggering

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800821A (en) * 1953-10-01 1957-07-30 New Britain Machine Co Angularly adjustable, reversible ratchet wrench
CN2073351U (en) * 1990-08-10 1991-03-20 丁肇醇 Box changing structure of box spanner
TW200718514A (en) * 2005-11-04 2007-05-16 zhen-qin Hong Main body structure for ratchet wrench
TW201000268A (en) * 2008-06-24 2010-01-01 Hou-Fei Hu Reversible ratchet wrench with lateral triggering

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