CN104626023A - Quick-clamping adjustable ratchet wrench - Google Patents

Quick-clamping adjustable ratchet wrench Download PDF

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Publication number
CN104626023A
CN104626023A CN201510118737.8A CN201510118737A CN104626023A CN 104626023 A CN104626023 A CN 104626023A CN 201510118737 A CN201510118737 A CN 201510118737A CN 104626023 A CN104626023 A CN 104626023A
Authority
CN
China
Prior art keywords
main shaft
sliding sleeve
slips
ratchet
quick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510118737.8A
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Chinese (zh)
Other versions
CN104626023B (en
Inventor
丁腾飞
李波
王锡霖
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China University of Geosciences
Original Assignee
China University of Geosciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201510118737.8A priority Critical patent/CN104626023B/en
Publication of CN104626023A publication Critical patent/CN104626023A/en
Application granted granted Critical
Publication of CN104626023B publication Critical patent/CN104626023B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/46Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle

Abstract

The invention discloses a quick-clamping adjustable ratchet wrench which comprises a handle, a ratchet mechanism, a main shaft, a slip, a sliding sleeve, a slip and a fastener, wherein the ratchet mechanism is arranged on the handle, the main shaft is arranged on the handle by penetrating and fixedly connected with a ratchet of the ratchet mechanism, the sliding sleeve is sleeved on the main shaft and can move relative to the axial direction of the main shaft, multiple slips are provided, the multiple slips are arranged between the main shaft and the sliding sleeve, the bottoms of the multiple slips jointly form an opening of the wrench for clamping workpieces, all the multiple slips can move relative to the radial direction of the main shaft so as to adjust the size of the opening of the wrench, the fastener is arranged on the sliding sleeve, the sliding sleeve and the main shaft are fastened by the fastener so as to fix the opening of the wrench, and the sliding sleeve is provided with sliding chutes matched with the slips. According to the invention, a process of adjusting the size of the opening of the quick-clamping adjustable ratchet wrench disclosed by the invention is convenient, and bolts or nuts can be rapidly clamped or loosened.

Description

Quick-clamped adjustable ratchet wrench
Technical field
The present invention relates to the hand tools technical field for screwing bolts or nut, particularly relate to a kind of Quick-clamped adjustable ratchet wrench.
Background technology
At present, on market, the kind of adjustable spanner is a lot, is mainly divided into following three kinds: (1) replaceable head box socket set; (2) hinge type monkey wrench; (3) continuously adjustabe ratchet spanner.
The feature of replaceable head box socket set is that the sleeve that box socket set uses has multiple different size to coordinate nut or the bolt of different size.Because the volume of sleeve is very little, be easy to lose, during work, user often loses time to find applicable sleeve, if screw nut or the bolt of different size, usually needs to change sleeve, adds the trouble of work.
Hinge type monkey wrench often adopts the structure of quadrangle can adjust the size of wrench opening well, and to coordinate the function of different nut or bolt head, but it does not but have the function of ratchet spanner, so operationally still pretty troublesome.
Continuously adjustabe ratchet spanner combines the advantage of above-mentioned two kinds of ratchet spanneres, is realizing on the adjustable basis of wrench opening size, and additional ratchet realizes the function of continuous print operation, enormously simplify the complexity of operation.But continuously adjustabe ratchet spanner has following deficiency: the size of wrench opening needs with hand adjustment joint, run into bolt when being in narrow space, the folding size adjustment of pulling mouth is very inconvenient; The control that manual adjustments is difficult to steps up power, if the not clamping bolt head of grip block, be easy to cause the sliding tooth of bolt head, Long-Time Service, bolt is difficult to Panasonic.
Summary of the invention
Main purpose of the present invention is to provide a kind of Quick-clamped adjustable ratchet wrench, is intended to convenient adjustment wrench opening size, simultaneously can also Quick-clamped or quick-release bolt or nut.
For achieving the above object, the invention provides a kind of Quick-clamped adjustable ratchet wrench, comprise handle, ratchet mechanism, main shaft, slips, sliding sleeve, slips and securing member, wherein, described ratchet mechanism is installed on described handle, described main shaft to be arranged on described handle and to be fixedly connected with the ratchet of described ratchet mechanism, described sliding sleeve to be placed on described main shaft and axially movable relative to it, described slips is provided with polylith, described polylith slips is installed between described main shaft and described sliding sleeve, the opening of the spanner for clamping work pieces is formed jointly on the bottom of described polylith slips, described polylith slips is all movable relative to the radial direction of described main shaft with the size of the opening adjusting spanner, described securing member is installed on described sliding sleeve, by described securing member, described sliding sleeve and described main shaft are fixed to be fixed by the opening of spanner, described sliding sleeve is provided with the chute coordinated with described slips, when spanner is in idle state, the bottom of described sliding sleeve abuts with the bottom of described main shaft, when spanner is in using state, described sliding sleeve is moved along the direction near described handle, by the chute of described sliding sleeve, power is passed to slips described in polylith, slips described in polylith is radially outward moved simultaneously, the opening of spanner is made to become large, put into after opening until workpiece, unclamp described sliding sleeve and make it along main shaft axially to deviating from the lateral movement of described handle one, by the chute of described sliding sleeve, power is passed to described slips, make slips described in polylith simultaneously along described main shaft diameter to moving inward, to realize Quick holding part.
Preferably, described securing member is be installed on the hand-screw on described sliding sleeve, tightens described hand-screw and makes its afterbody abut to be fixedly connected with described main shaft by described sliding sleeve with the lateral wall of described main shaft.
Preferably, described Quick-clamped adjustable ratchet wrench also comprises the normally closed spring and jump ring that are positioned at described handle both sides, wherein, described jump ring is placed on described main shaft one end away from described sliding sleeve, described normally closed spring is placed on described main shaft, one end of described normally closed spring abuts with described handle, and the other end abuts with described sliding sleeve to promote described sliding sleeve moving axially relative to described main shaft.
Preferably, described Quick-clamped adjustable ratchet wrench also comprises the pad on the limited step being placed on described main shaft, and this pad is between described normally closed spring and handle.
Preferably, described handle comprises the upper plate and lower plate that are oppositely arranged and the dividing plate be fixed between described upper plate and lower plate, the ratchet that described ratchet mechanism comprises the ratchet between described upper plate and lower plate and is connected with described ratchet, described ratchet is connected with described dividing plate elasticity.
Preferably, described Quick-clamped adjustable ratchet wrench also comprises the ejector pin abutted with described ratchet, and the elastic component between described ejector pin and dividing plate, and described elastic component coordinates with ejector pin and is connected with described dividing plate elasticity by described ratchet.
Preferably, described dividing plate offers installing hole, bottom and the described elastic component of described ejector pin are contained in described installing hole.
Preferably, described elastic component is spring.
Preferably, described main shaft comprises body and is positioned at the thrust end cap of described body bottom, described body is fixedly connected with by housing screw with described thrust end cap, the bottom of described slips is contained in the draw-in groove of described thrust end cap and body formation, when spanner is in idle state, the bottom of described sliding sleeve is pressed onto described thrust end caps by described normally closed spring.
The Quick-clamped adjustable ratchet wrench that the present invention proposes, main shaft is placed on outside upper and axially movable relative to it by sliding sleeve, polylith slips is all movable relative to the radial direction of main shaft with the size of the opening adjusting spanner, thus make this Quick-clamped adjustable ratchet wrench can conveniently adjust wrench opening size, also can realize the workpiece clamping different size rapidly, clamping force is stablized simultaneously.Meanwhile, realize continuous print operation by additional ratchet mechanism, substantially increase operating efficiency.In addition, this Quick-clamped adjustable ratchet wrench also has structure advantage that is simple, that easily realize.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of Quick-clamped adjustable ratchet wrench preferred embodiment of the present invention;
Fig. 2 is the decomposition texture schematic diagram of handle in Quick-clamped adjustable ratchet wrench of the present invention;
Fig. 3 is the broken section structural representation of Quick-clamped adjustable ratchet wrench of the present invention;
Fig. 4 is that Quick-clamped adjustable ratchet wrench of the present invention is at the structural representation when wrench opening closes;
Fig. 5 looks up structural representation for the Quick-clamped adjustable ratchet wrench shown in Fig. 4;
Fig. 6 is the structural representation of Quick-clamped adjustable ratchet wrench of the present invention when wrench opening opens;
Fig. 7 looks up structural representation for the Quick-clamped adjustable ratchet wrench shown in Fig. 6.
In figure, 1-housing screw; 2-thrust end cap; 3-slips; 4-main shaft; 5-sliding sleeve; 6-hand-screw; The normally closed spring of 7-; 8-pad; 9-ratchet; 10-handle; 11-jump ring; 12-lower plate; 13-upper plate; 14-ratchet; 15-bearing pin; 16-ejector pin; 17-elastic component; 18-rivet; 19-dividing plate; 20-flat key.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, in describing the invention, term " transverse direction ", " longitudinal direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, be not indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
See figures.1.and.2, Fig. 1 is the decomposition texture schematic diagram of Quick-clamped adjustable ratchet wrench preferred embodiment of the present invention; Fig. 2 is the decomposition texture schematic diagram of handle in Quick-clamped adjustable ratchet wrench of the present invention.
In this preferred embodiment, Quick-clamped adjustable ratchet wrench comprises handle 10, ratchet mechanism, main shaft 4, slips 3, sliding sleeve 5, slips 3 and securing member, wherein, ratchet mechanism is installed on handle 10, main shaft 4 is arranged on handle 10 and with the ratchet 9 of ratchet mechanism and is fixedly connected with, sliding sleeve 5 to be placed on main shaft 4 and axially movable relative to it (sliding sleeve 5 with handle 10 for elasticity is connected), slips 3 is provided with polylith (in the present embodiment, slips 3 is provided with three pieces), polylith slips 3 is installed between main shaft 4 and sliding sleeve 5, the opening of the spanner for clamping work pieces is formed jointly on the bottom of polylith slips 3, polylith slips 3 is all movable relative to the radial direction of main shaft 4 with the size of the opening adjusting spanner (to mate bolt or the nut of different size), securing member is installed on sliding sleeve 5, by securing member by fixing so that the opening of spanner is fixed to sliding sleeve 5 and main shaft 4, sliding sleeve 5 is provided with the chute coordinated with slips 3, when spanner is in idle state, the bottom of sliding sleeve 5 abuts with the bottom of main shaft 4, when spanner is in using state, sliding sleeve 5 is moved along the direction near handle 10, by the chute of sliding sleeve 5, power is passed to polylith slips 3, polylith slips 3 is radially outward moved simultaneously, makes the opening of spanner become large, put into after opening until workpiece, unclamp sliding sleeve 5 and make it along main shaft 4 axially to deviating from handle 10 1 lateral movement, by the chute of sliding sleeve 5, power is passed to slips 3, polylith slips 3 is radially-inwardly moved along main shaft 4, to realize Quick holding part simultaneously.
Sliding sleeve 5 realizes moving axially relative to main shaft 4 by various structures, and the present invention is not construed as limiting this.The present embodiment specifically proposes a concrete structure at this, this Quick-clamped adjustable ratchet wrench also comprises the normally closed spring 7(being positioned at handle 10 both sides and is in compressive state always) and jump ring 11, wherein, jump ring 11 is placed on main shaft 4 one end away from sliding sleeve 5, normally closed spring 7 is placed on main shaft 4, one end of normally closed spring 7 abuts with handle 10, and the other end abuts with sliding sleeve 5 to promote sliding sleeve 5 moving axially relative to main shaft 4.The top of sliding sleeve 5 is provided with the fluting of an annular, and the bottom of normally closed spring 7 is contained in fluting.The bottom of sliding sleeve 5 is abutted with the bottom of main shaft 4 by the elastic force of normally closed spring 7, make polylith slips 3 firmly grasp workpiece.Jump ring 11 is stuck in the upper end of main shaft 4, stops main shaft 4 axial float downwards.By arranging normally closed spring 7, make the process of this Quick-clamped adjustable ratchet wrench adjustment opening more simple and convenient, only with promoting sliding sleeve 5 up and down and unclamping or fixation fastener.
In the present embodiment, securing member is that the side direction of the hand-screw 6(sliding sleeve 5 be installed on sliding sleeve 5 has a screwed hole, hand-screw 6 is installed in screwed hole), tighten hand-screw 6 and make its afterbody abut to be fixedly connected with main shaft 4 by sliding sleeve 5 with the lateral wall of main shaft 4.Certainly, securing member also can be other structure, realizes realizing being fixedly connected with main shaft 4 by sliding sleeve 5 or unclamping this two states, and the present invention is not construed as limiting this.Sliding sleeve 5 relative position fixing with main shaft 4 can be adjusted by adjustment hand-screw 6, thus the size of the opening of adjustment spanner, to adapt to bolt or the nut of different size.
With reference to Fig. 2, handle 10 comprises the upper plate 13 and lower plate 12 that are oppositely arranged and the dividing plate 19 be fixed between upper plate 13 and lower plate 12, the ratchet 14 that ratchet mechanism comprises the ratchet 9 between upper plate 13 and lower plate 12 and is connected with ratchet 9, ratchet 14 is connected with dividing plate 19 elasticity.Upper plate 13, lower plate 12 and dividing plate 19 are fixed together by rivet 18, and ratchet 14 is fixed between upper plate 13 and lower plate 12 by bearing pin 15.Further, this Quick-clamped adjustable ratchet wrench also comprises the ejector pin 16 abutted with ratchet 14, and the elastic component 17 between ejector pin 16 and dividing plate 19, and elastic component 17 and ejector pin 16 coordinate and be connected with dividing plate 19 elasticity by ratchet 14.Dividing plate 19 offers installing hole, and bottom and the elastic component 17 of ejector pin 16 are contained in installing hole.In the present embodiment, elastic component 17 is spring.With reference to Fig. 3, ratchet 9 is fixedly connected with by flat key 20 with main shaft 4, drives ratchet 9 to rotate when main shaft 4 rotates.
In conjunction with seeing figures.1.and.2, when ratchet 14 is transferred to side, ejector pin 16 can be ejected by elastic component 17, thus ratchet 14 is fixed, when handle 10 drives ratchet 9 to rotate time, ratchet 9 can turn to rotation along one, and oppositely can not rotate with handle 10, thus realize continuous working in reciprocating mode.
Further, in conjunction with reference Fig. 1 and Fig. 3, this Quick-clamped adjustable ratchet wrench also comprises the pad 8 on the limited step being placed on main shaft 4, and this pad 8 is between normally closed spring 7 and handle 10.Now, coordinated by the limited step of main shaft 4 and pad 8, make main shaft 4 can not along its axial upwards play.
In conjunction with reference Fig. 1 and Fig. 3, main shaft 4 comprises body and is positioned at the thrust end cap 2 of body bottom, body is fixedly connected with by housing screw 1 with thrust end cap 2, the bottom of slips 3 is contained in the draw-in groove of thrust end cap 2 and body formation, when spanner is in idle state, the bottom of sliding sleeve 5 is pressed onto thrust end cap 2 place by normally closed spring 7.Thrust end cap 2 is fixed on body, on the one hand can prevent slips 3 from skidding off along the axis of main shaft 4, can skid off along the axis of main shaft 4 by anti-anti-skid sheath 5 on the other hand.
The operation principle of this Quick-clamped adjustable ratchet wrench is as follows: when spanner is in idle state, sliding sleeve 5 is pressed onto thrust end cap 2 place by normally closed spring 7, abut with thrust end cap 2 bottom it, when needs clamping work pieces (bolt or nut etc., lower same) time, sliding sleeve 5 is moved along the direction near handle 10, by the chute of sliding sleeve 5, power is passed to three pieces of slips 3, make three pieces of slips 3 radially outward moving relative to main shaft 4 simultaneously, thus make the opening of spanner become large, after the opening that spanner put into by workpiece, unclamp sliding sleeve 5, sliding sleeve 5 is under the pressure of normally closed spring 7, axis along main shaft 4 is moved to the direction deviating from handle 10, by the chute of sliding sleeve 5, power is passed to three pieces of slips 3, make three pieces of slips 3 radially-inwardly moving relative to main shaft 4 simultaneously, thus realize Quick holding part.In order in the process screwed, ensure that sliding sleeve 5 is not reversed passing, by compressing hand-screw 6, by solid for sliding sleeve 5 on main shaft 4; When needs unclamp bolt or nut, unclamp hand-screw 6, by handle 10 entirety away from workpiece.
With reference to Fig. 4 to Fig. 7, sliding sleeve 5, in main shaft 4 axially-movable, can make the size of wrench opening realize electrodeless adjustment, and shown in Fig. 4 and Fig. 5 is the minimum position of wrench opening, and shown in Fig. 6 and Fig. 7 is the maximum position of wrench opening.
Quick-clamped adjustable ratchet wrench provided by the invention, main shaft 4 is placed on outside upper and axially movable relative to it by sliding sleeve 5, polylith slips 3 is all movable relative to the radial direction of main shaft 4 with the size of the opening adjusting spanner, thus make this Quick-clamped adjustable ratchet wrench can conveniently adjust wrench opening size, also can realize the workpiece (only with slip sliding sleeve 5 also tightening fastener parts) of clamping or the different size that gets loose rapidly, its clamping force is stablized simultaneously.Meanwhile, realize continuous print operation by additional ratchet mechanism, substantially increase operating efficiency.In addition, this Quick-clamped adjustable ratchet wrench also has structure advantage that is simple, that easily realize.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (9)

1. a Quick-clamped adjustable ratchet wrench, it is characterized in that, comprise handle, ratchet mechanism, main shaft, slips, sliding sleeve, slips and securing member, wherein, described ratchet mechanism is installed on described handle, described main shaft to be arranged on described handle and to be fixedly connected with the ratchet of described ratchet mechanism, described sliding sleeve to be placed on described main shaft and axially movable relative to it, described slips is provided with polylith, described polylith slips is installed between described main shaft and described sliding sleeve, the opening of the spanner for clamping work pieces is formed jointly on the bottom of described polylith slips, described polylith slips is all movable relative to the radial direction of described main shaft with the size of the opening adjusting spanner, described securing member is installed on described sliding sleeve, by described securing member, described sliding sleeve and described main shaft are fixed to be fixed by the opening of spanner, described sliding sleeve is provided with the chute coordinated with described slips, when spanner is in idle state, the bottom of described sliding sleeve abuts with the bottom of described main shaft, when spanner is in using state, described sliding sleeve is moved along the direction near described handle, by the chute of described sliding sleeve, power is passed to slips described in polylith, slips described in polylith is radially outward moved simultaneously, the opening of spanner is made to become large, put into after opening until workpiece, unclamp described sliding sleeve and make it along main shaft axially to deviating from the lateral movement of described handle one, by the chute of described sliding sleeve, power is passed to described slips, make slips described in polylith simultaneously along described main shaft diameter to moving inward, to realize Quick holding part.
2. Quick-clamped adjustable ratchet wrench as claimed in claim 1, it is characterized in that, described securing member is be installed on the hand-screw on described sliding sleeve, tightens described hand-screw and makes its afterbody abut to be fixedly connected with described main shaft by described sliding sleeve with the lateral wall of described main shaft.
3. Quick-clamped adjustable ratchet wrench as claimed in claim 1, it is characterized in that, also comprise the normally closed spring and jump ring that are positioned at described handle both sides, wherein, described jump ring is placed on described main shaft one end away from described sliding sleeve, described normally closed spring is placed on described main shaft, and one end of described normally closed spring abuts with described handle, and the other end abuts with described sliding sleeve to promote described sliding sleeve moving axially relative to described main shaft.
4. Quick-clamped adjustable ratchet wrench as claimed in claim 3, it is characterized in that, also comprise the pad on the limited step being placed on described main shaft, this pad is between described normally closed spring and handle.
5. Quick-clamped adjustable ratchet wrench as claimed in claim 1, it is characterized in that, described handle comprises the upper plate and lower plate that are oppositely arranged and the dividing plate be fixed between described upper plate and lower plate, the ratchet that described ratchet mechanism comprises the ratchet between described upper plate and lower plate and is connected with described ratchet, described ratchet is connected with described dividing plate elasticity.
6. Quick-clamped adjustable ratchet wrench as claimed in claim 5, it is characterized in that, also comprise the ejector pin abutted with described ratchet, and the elastic component between described ejector pin and dividing plate, described elastic component coordinates with ejector pin and is connected with described dividing plate elasticity by described ratchet.
7. Quick-clamped adjustable ratchet wrench as claimed in claim 6, it is characterized in that, described dividing plate offers installing hole, bottom and the described elastic component of described ejector pin are contained in described installing hole.
8. Quick-clamped adjustable ratchet wrench as claimed in claim 6, it is characterized in that, described elastic component is spring.
9. Quick-clamped adjustable ratchet wrench as claimed in any of claims 1 to 8 in one of claims, it is characterized in that, described main shaft comprises body and is positioned at the thrust end cap of described body bottom, described body is fixedly connected with by housing screw with described thrust end cap, the bottom of described slips is contained in the draw-in groove of described thrust end cap and body formation, when spanner is in idle state, the bottom of described sliding sleeve is pressed onto described thrust end caps by described normally closed spring.
CN201510118737.8A 2015-03-18 2015-03-18 Quick-clamping adjustable ratchet wrench Expired - Fee Related CN104626023B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510118737.8A CN104626023B (en) 2015-03-18 2015-03-18 Quick-clamping adjustable ratchet wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510118737.8A CN104626023B (en) 2015-03-18 2015-03-18 Quick-clamping adjustable ratchet wrench

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CN104626023B CN104626023B (en) 2017-01-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655998A (en) * 2018-05-22 2018-10-16 宁波帝杨电子科技有限公司 A kind of novel upright type monkey wrench

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR543920A (en) * 1920-11-29 1922-09-12 Chuck device with screw for clamping the chuck jaws
US3724299A (en) * 1971-08-02 1973-04-03 N Nelson Adjustable socket
CN2147934Y (en) * 1993-01-29 1993-12-01 陈远宪 Universal adjustable booster box wrench
CN2362654Y (en) * 1998-10-26 2000-02-09 严竣译 Adjustable ratchet wrench
US6341544B1 (en) * 2000-07-21 2002-01-29 Loren P. Falzone Adjustable head wrench
CN102729191A (en) * 2012-07-02 2012-10-17 南京德朔实业有限公司 Self-adaptive sleeve
US20140096653A1 (en) * 2012-10-04 2014-04-10 Alex Pirseyedi Ratchet wrench with adjustable socket

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR543920A (en) * 1920-11-29 1922-09-12 Chuck device with screw for clamping the chuck jaws
US3724299A (en) * 1971-08-02 1973-04-03 N Nelson Adjustable socket
CN2147934Y (en) * 1993-01-29 1993-12-01 陈远宪 Universal adjustable booster box wrench
CN2362654Y (en) * 1998-10-26 2000-02-09 严竣译 Adjustable ratchet wrench
US6341544B1 (en) * 2000-07-21 2002-01-29 Loren P. Falzone Adjustable head wrench
CN102729191A (en) * 2012-07-02 2012-10-17 南京德朔实业有限公司 Self-adaptive sleeve
US20140096653A1 (en) * 2012-10-04 2014-04-10 Alex Pirseyedi Ratchet wrench with adjustable socket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655998A (en) * 2018-05-22 2018-10-16 宁波帝杨电子科技有限公司 A kind of novel upright type monkey wrench
CN108655998B (en) * 2018-05-22 2020-05-22 湖南明珠集团有限公司 Novel vertical adjustable wrench

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