EP2347860B1 - Wrench - Google Patents
Wrench Download PDFInfo
- Publication number
- EP2347860B1 EP2347860B1 EP20100151255 EP10151255A EP2347860B1 EP 2347860 B1 EP2347860 B1 EP 2347860B1 EP 20100151255 EP20100151255 EP 20100151255 EP 10151255 A EP10151255 A EP 10151255A EP 2347860 B1 EP2347860 B1 EP 2347860B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control ring
- wrench
- pawls
- axle hole
- driving head
- 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.)
- Not-in-force
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0028—Angular adjustment means between tool head and handle
Definitions
- the present invention relates to a wrench, and more particularly to a wrench structure having a driving head that can be rotated with respect to a wrench handle.
- the structure comprises a driving head 91 and a wrench handle 92 coupled with the driving head 91, wherein the driving head 91 includes an axle hole 93 having internal ratchets, an axle seat 94 formed at an end that connects the wrench handle 92 and the driving head 91, an accommodating slot 95 separately formed at the middle and both sides of the axle seat 94 for accommodating a push button 96 and a latch teeth 97 that can be latched with the internal ratchets of the axle hole 93.
- Such a wrench is e.g. known from the document DE 103 01 785 B3 .
- the manufacture of the aforementioned quick-rotating wrench structure requires manufacturing additional internal ratchets on the axle hole 93 of the driving head 91 and the axle seat 94 having the plurality of accommodating slots 95 on the wrench handle 92, and thus incurring a more complicated manufacturing procedure, a longer manufacturing time and a higher manufacturing cost.
- the plurality of accommodating slots 95 are formed at the axle seat 94 of the wrench handle 92 used for connecting the axle hole 93, and thus the structural strength of the wrench handle 92 is decreased and the wrench handle 92 cannot bear a large change of stresses, and the latch teeth 97 pushed by the push button 96 to latch the internal ratchets of the axle hole 93 provides a relatively poor fixing effect. If a larger turning force is applied to the wrench, the latch teeth 97 will be unable to securely latch the internal ratchets of the axle hole 93.
- the present invention provides a wrench comprising:
- the driving head 11 includes a moving portion 12 disposed at an end of the driving head 11 1 for driving a workpiece to rotate, an axle hole 13 penetrating through another end of the driving head 11, an accommodating portion 14 concavely disposed on a side of an internal wall of the axle hole 13, and two adjacent pawls 15 contained in the accommodating portion 14 and elastically abutted by a first elastic element 16, such that the two pawls 15 have a clamping force towards the axle hole 13.
- the accommodating portion 14 further have two grooves 141 concavely disposed thereon, and ends of the two pawls 15 are respectively and pivotally coupled into the two grooves 141, and the two pawls 15 have brake teeth 151 extended from other ends of the two pawls 15 in a direction towards the axle hole 13, and an end of each first elastic element 16 abuts against the accommodating portion 14, and another end of each first elastic element abuts against a side of the corresponding pawl 15 without the brake teeth 151, such that the two pawls 15 can have a clamping action towards the axle hole 13.
- the wrench handle 31 includes a penetrating hole 32 formed at an end of the wrench handle 31, and the wrench handle 31 is sheathed onto the connecting end 22 of the control ring 21 through the penetrating hole 32, and two fixing pins 33 are passed through the wrench handle 31 and into the positioning slot 23 of the connecting end 22 respectively, such that the wrench handle 31 is coupled and linked with the control ring 21.
- the prop column 41 is passed into an internal wall of the control ring 21, and the control ring 21 can be moved up and down along the prop column 41.
- the prop column 41 is tapered downward to an end to form a base 42, and the prop column 41 is fixed to the bottom of the axle hole 13 of the driving head 11 by the base 42, and a stop portion 421 is protruded from the base 42 and accommodated into the bottom of the accommodating portion 14, such that when the prop column 41 is fixed to the bottom of the axle hole 13 of the driving head 11 by the base 42, the stop portion 421 of the base 42 and the top of the accommodating portion 14 are provided for stopping the two pawls 15 to prevent the two pawls 15 from being separated from the accommodating portion 14, and an upper end of the prop column 41 is passed out of the connecting end 22 of the control ring 21 and exposed from the penetrating hole 32 of the wrench handle 31 to form a press portion 43, such that users can use the press portion 43 as a fulcrum to apply a force to move the wrench handle 31 with
- the wrench handle 31 will drive the control ring 21 to move upward synchronously, and the smooth section 25 of the control ring 21 is moved to an opposite position of the two pawls 15, such that the two pawls 15 are pushed by the smooth section 25 to release the fixed state of the ratchet section 24 of the control ring 21, and a through hole 44 radially penetrates through a body of the prop column 41, and two positioning blocks 45 installed in opposite directions with each other are contained in the through hole 44, and a second elastic element 46 is installed between the two positioning blocks 45, and a third elastic element 47 is installed between the base 42 and the control ring 21, wherein the second elastic element 46 provides the two positioning blocks 45 an elastic force towards the internal wall of the control ring 21.
- the two positioning blocks 45 are latched to a tapered neck 26 of the internal wall of the control ring 21, so as to provide a positioning effect to the control ring 21.
- the control ring 21 is driven by the wrench handle 31 to move upward synchronously to release the fixed state of latching the ratchet section 24 with the two pawls 15, the two positioning blocks 45 are latched to a positioning recession 27 on the internal wall of the control ring 21 to provide the positioning effect as well.
- FIGS. 3 and 4 for cross-sectional views of a wrench of the present invention showing a status of latching the ratchet section 24 of the control ring 21 with the brake teeth 151 of the two pawls 15, the driving head 11 and the wrench handle 31 are fixed, and the third elastic element 47 installed between the base 42 of the prop column 41 and the control ring 21 is compressed, and the two positioning blocks 45 are latched into the positioning recession 26 on the internal wall of the control ring 21, and the elastic force of the second elastic element 46 for elastically abutting the two positioning blocks 45 is greater than the resilient force produced by the third elastic element 47, such that the control ring 21 is positioned and latched to the two pawls 15 at a fixed position, and a larger turning force can be applied to the wrench at the fixed state for its application.
- the smooth section 25 of the control ring 21 will push the two pawls 15 to compress the two first elastic elements 16 to move backward respectively, so as to release the fixed state of latching the brake teeth 151 of the two pawls l.5 with the ratchet section 24 of the control ring 21.
- the tapered neck 26 of the internal wall of the control ring 21 is moved to a position opposite to the two positioning blocks 45, the two positioning blocks 45 will be abutted against the tapered neck 26 of the internal wall of the control ring 21 to fix the control ring 21 at a position. Since the control ring 21 is not latched or fixed by the two pawls 15 now, the wrench handle 31 can be turned to a quick rotation with respect to the driving head 11.
- the user wants to return the control ring 21 to the fixed state, the user simply needs to press the wrench handle 31 down to overcome the elastic force provided by the second elastic element 46 in order to force the two positioning blocks 45 to retract and release the positioning effect.
- the smooth section 25 of the control ring 21 is moved downward to leave the position opposite to the two pawls 15, the two pawls 15 are propped by the first elastic element 16 to resume the fixed state of latching the ratchet section of the control ring 21 as shown in FIG. 3 .
- the two pawls 15 of the present invention are abutted by the two first elastic elements 16 respectively, such that the brake teeth 151 can be latched directly to the ratchet section 24 of the control ring 21 to provide a more secured fixing effect
- the wrench structure of the present invention is a simple structure with the advantages of a better structural strength, an easy assembling and a low manufacturing cost, and the wrench of the present invention provides a simple, easy and quick operation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
- The present invention relates to a wrench, and more particularly to a wrench structure having a driving head that can be rotated with respect to a wrench handle.
- With reference to
FIG. 7 for a conventional quick-rotating wrench structure, the structure comprises adriving head 91 and awrench handle 92 coupled with thedriving head 91, wherein the drivinghead 91 includes anaxle hole 93 having internal ratchets, anaxle seat 94 formed at an end that connects thewrench handle 92 and thedriving head 91, anaccommodating slot 95 separately formed at the middle and both sides of theaxle seat 94 for accommodating apush button 96 and alatch teeth 97 that can be latched with the internal ratchets of theaxle hole 93. - Such a wrench is e.g. known from the document
DE 103 01 785 B3 . - However, the manufacture of the aforementioned quick-rotating wrench structure requires manufacturing additional internal ratchets on the
axle hole 93 of the drivinghead 91 and theaxle seat 94 having the plurality ofaccommodating slots 95 on thewrench handle 92, and thus incurring a more complicated manufacturing procedure, a longer manufacturing time and a higher manufacturing cost. Furthermore, the plurality ofaccommodating slots 95 are formed at theaxle seat 94 of thewrench handle 92 used for connecting theaxle hole 93, and thus the structural strength of thewrench handle 92 is decreased and thewrench handle 92 cannot bear a large change of stresses, and thelatch teeth 97 pushed by thepush button 96 to latch the internal ratchets of theaxle hole 93 provides a relatively poor fixing effect. If a larger turning force is applied to the wrench, thelatch teeth 97 will be unable to securely latch the internal ratchets of theaxle hole 93. - In view of the shortcomings of the prior art, the inventor of the present invention based on years of experience in the related industry to conduct extensive researches and experiments, and finally developed a wrench in accordance with the present invention to overcome the shortcomings of the prior art.
- Therefore, it is a primary objective of the present invention to overcome the aforementioned shortcoming and deficiency of the prior art by providing a wrench with the advantages of a simple structure, an easy installation, a low manufacturing cost, and a simple, easy and quick operation.
- To achieve the foregoing objective, the present invention provides a wrench comprising:
- a driving head, having a moving portion disposed at an end of the driving head, an axle hole formed at another end of the driving head, an accommodating portion concavely disposed on a side of an internal wall of the axle hole, two adjacent pawls accommodated in the accommodating portion and separately abutted by a first elastic element to provide a clamping force towards the axle hole;
- a control ring, contained in the axle hole, and having a connecting end extended upwardly out of the axle hole and coupled with a wrench handle, and a ratchet section and a smooth section defined on an external circumferential surface of the control ring, and the ratchet section of the control ring being latched by the two pawls to define a fixed state of the control ring; and
- a prop column, passed into the control ring, and an end of the prop column being extended upwardly and passed out of the connecting end of the control ring to form a press portion, such that a user can use the press portion as a fulcrum to apply a force to move the wrench handle and the control ring with respect to the driving head, and the two pawls are pushed by the smooth section of the control ring to release the fixed state of latching the ratchet section of the control ring.
- The aforementioned and other objectives and technical characteristics of the present invention will become apparent with the detailed description of the preferred embodiments and the illustration of related drawings as follows.
-
-
FIG. 1 is an exploded view of a wrench of the present invention; -
FIG. 2 is a perspective view of a wrench of the present invention; -
FIG. 3 is a cross-sectional view of a wrench of the present invention; -
FIG. 4 is another cross-sectional view of a wrench of the present invention; -
FIG. 5 is a schematic view of an application of a wrench in accordance with the present invention;FIG. 6 is a cross-sectional view ofFIG.5 ; andFIG. 7 is a schematic view of a conventional wrench structure. - With reference to
FIGS. 1 to 4 for a wrench of the present invention, the wrench comprises adriving head 11, acontrol ring 21, awrench handle 31 and aprop column 41. - The driving
head 11 includes a movingportion 12 disposed at an end of the drivinghead 11 1 for driving a workpiece to rotate, anaxle hole 13 penetrating through another end of the drivinghead 11, anaccommodating portion 14 concavely disposed on a side of an internal wall of theaxle hole 13, and twoadjacent pawls 15 contained in theaccommodating portion 14 and elastically abutted by a firstelastic element 16, such that the twopawls 15 have a clamping force towards theaxle hole 13. In this preferred embodiment, theaccommodating portion 14 further have twogrooves 141 concavely disposed thereon, and ends of the twopawls 15 are respectively and pivotally coupled into the twogrooves 141, and the twopawls 15 havebrake teeth 151 extended from other ends of the twopawls 15 in a direction towards theaxle hole 13, and an end of each firstelastic element 16 abuts against theaccommodating portion 14, and another end of each first elastic element abuts against a side of thecorresponding pawl 15 without thebrake teeth 151, such that the twopawls 15 can have a clamping action towards theaxle hole 13. - The
control ring 21 is a hollow ring disposed in theaxle hole 13, and thecontrol ring 21 includes a connectingend 22 extended upwardly out of theaxle hole 13, and the connectingend 22 has apositioning slot 23, and aratchet section 24 and asmooth section 25 defined on an external circumferential surface of thecontrol ring 21, wherein thesmooth section 25 has an external diameter greater than the external diameter of theratchet section 24, and theratchet section 24 of thecontrol ring 21 is latched with thebrake teeth 151 of the twopawls 15, such that thecontrol ring 21 is fixed, and thesmooth section 25 of thecontrol ring 21 is provided for pushing the twopawls 15 to release the fixed state of theratchet section 24 of thecontrol ring 21. In addition, atapered neck 26 and apositioning recession 27 are defined sequentially from bottom to top and disposed at predetermined positions of an internal wall of thecontrol ring 21 respectively. - The
wrench handle 31 includes apenetrating hole 32 formed at an end of thewrench handle 31, and thewrench handle 31 is sheathed onto the connectingend 22 of thecontrol ring 21 through thepenetrating hole 32, and twofixing pins 33 are passed through thewrench handle 31 and into thepositioning slot 23 of the connectingend 22 respectively, such that thewrench handle 31 is coupled and linked with thecontrol ring 21. - The
prop column 41 is passed into an internal wall of thecontrol ring 21, and thecontrol ring 21 can be moved up and down along theprop column 41. In this preferred embodiment, theprop column 41 is tapered downward to an end to form abase 42, and theprop column 41 is fixed to the bottom of theaxle hole 13 of thedriving head 11 by thebase 42, and astop portion 421 is protruded from thebase 42 and accommodated into the bottom of theaccommodating portion 14, such that when theprop column 41 is fixed to the bottom of theaxle hole 13 of thedriving head 11 by thebase 42, thestop portion 421 of thebase 42 and the top of theaccommodating portion 14 are provided for stopping the twopawls 15 to prevent the twopawls 15 from being separated from theaccommodating portion 14, and an upper end of theprop column 41 is passed out of the connectingend 22 of thecontrol ring 21 and exposed from the penetratinghole 32 of thewrench handle 31 to form apress portion 43, such that users can use thepress portion 43 as a fulcrum to apply a force to move thewrench handle 31 with respect to the drivinghead 11. Now, thewrench handle 31 will drive thecontrol ring 21 to move upward synchronously, and thesmooth section 25 of thecontrol ring 21 is moved to an opposite position of the twopawls 15, such that the twopawls 15 are pushed by thesmooth section 25 to release the fixed state of theratchet section 24 of thecontrol ring 21, and a throughhole 44 radially penetrates through a body of theprop column 41, and twopositioning blocks 45 installed in opposite directions with each other are contained in the throughhole 44, and a secondelastic element 46 is installed between the twopositioning blocks 45, and a thirdelastic element 47 is installed between thebase 42 and thecontrol ring 21, wherein the secondelastic element 46 provides the twopositioning blocks 45 an elastic force towards the internal wall of thecontrol ring 21. When theratchet section 24 of thecontrol ring 21 and thebrake teeth 151 of the twopawls 15 are latched to define a fixed state, the twopositioning blocks 45 are latched to atapered neck 26 of the internal wall of thecontrol ring 21, so as to provide a positioning effect to thecontrol ring 21. When thecontrol ring 21 is driven by thewrench handle 31 to move upward synchronously to release the fixed state of latching theratchet section 24 with the twopawls 15, the twopositioning blocks 45 are latched to apositioning recession 27 on the internal wall of thecontrol ring 21 to provide the positioning effect as well. - With reference to
FIGS. 3 and4 for cross-sectional views of a wrench of the present invention showing a status of latching theratchet section 24 of thecontrol ring 21 with thebrake teeth 151 of the twopawls 15, thedriving head 11 and thewrench handle 31 are fixed, and the thirdelastic element 47 installed between thebase 42 of theprop column 41 and thecontrol ring 21 is compressed, and the twopositioning blocks 45 are latched into thepositioning recession 26 on the internal wall of thecontrol ring 21, and the elastic force of the secondelastic element 46 for elastically abutting the twopositioning blocks 45 is greater than the resilient force produced by the thirdelastic element 47, such that thecontrol ring 21 is positioned and latched to the twopawls 15 at a fixed position, and a larger turning force can be applied to the wrench at the fixed state for its application. - If a user holds the
wrench handle 31 by a hand and uses thepress portion 43 of theprop column 41 as a fulcrum to apply a force to move thewrench handle 31 upward, and the applied force is greater than the elastic force provided by the secondelastic element 46, the twopositioning blocks 45 will be forced to retract and release the effect of positioning thecontrol ring 21, such that thewrench handle 31 drives thecontrol ring 21 to move upward with respect to thedriving head 11. InFIGS. 5 and6 , if thecontrol ring 21 is moved upward with respect to thedriving head 11, thesmooth section 25 of thecontrol ring 21 will push the twopawls 15 to compress the two firstelastic elements 16 to move backward respectively, so as to release the fixed state of latching thebrake teeth 151 of the two pawls l.5 with theratchet section 24 of thecontrol ring 21. If thetapered neck 26 of the internal wall of thecontrol ring 21 is moved to a position opposite to the twopositioning blocks 45, the twopositioning blocks 45 will be abutted against thetapered neck 26 of the internal wall of thecontrol ring 21 to fix thecontrol ring 21 at a position. Since thecontrol ring 21 is not latched or fixed by the twopawls 15 now, thewrench handle 31 can be turned to a quick rotation with respect to the drivinghead 11. - If the user wants to return the
control ring 21 to the fixed state, the user simply needs to press thewrench handle 31 down to overcome the elastic force provided by the secondelastic element 46 in order to force the twopositioning blocks 45 to retract and release the positioning effect. When thesmooth section 25 of thecontrol ring 21 is moved downward to leave the position opposite to the twopawls 15, the twopawls 15 are propped by the firstelastic element 16 to resume the fixed state of latching the ratchet section of thecontrol ring 21 as shown inFIG. 3 . - In summation of the description above, the two
pawls 15 of the present invention are abutted by the two firstelastic elements 16 respectively, such that thebrake teeth 151 can be latched directly to theratchet section 24 of thecontrol ring 21 to provide a more secured fixing effect, and the wrench structure of the present invention is a simple structure with the advantages of a better structural strength, an easy assembling and a low manufacturing cost, and the wrench of the present invention provides a simple, easy and quick operation.
Claims (7)
- A wrench, comprising a driving head (11), a control ring (21), and a prop column (41), wherein
the driving head (11) comprises a moving portion (12) disposed at an end of the driving head (11), an axle hole (13) formed at another end of the driving head (11), an accommodating portion (14) concavely disposed on a side of an internal wall of the axle hole (13), and two adjacent pawls (15) accommodated in the accommodating portion (14) and separately and elastically abutted by a first elastic element (16) and having a clamping force towards the axle hole (13);
the control ring (21) is contained in the axle hole (13), and comprises a connecting end (22) extended upwardly out of the axle hole (13) and coupled and linked with a wrench handle (31), and a ratchet section (24) and a smooth section (25) defined on an external circumferential surface of the control ring (21), and the ratchet section (24) of the control ring (21) and the two pawls (15) are latched to the control ring (21) to define a fixed state;
the prop column (41) is passed into the control ring (21), and an end of the prop column (41) is extended upward and passed out of the connecting end (22) of the control ring (21) to form a press portion (43), such that a user can use the press portion (43) as a fulcrum to apply a force to move the wrench handle (31) and the control ring (21) with respect to the driving head (11), and the two pawls (15) are pushed by the smooth section (25) of the control ring (21) to release the fixed state of latching the ratchet section (24) of the control ring (211). - The wrench of claim 1, wherein the accommodating portion (14) further includes two grooves (141) concavely disposed thereon, and ends of the two pawls (15) are respectively and pivotally coupled into the two grooves (141), and other ends of the two pawls (15) separately have brake teeth (151) extended towards the axle hole (13), and an end of each first elastic element (16) is abutted against the accommodating portion (14), and another end of each first elastic element (16) is abutted against a side of the corresponding pawls (15) without the brake teeth (151), so that the two pawls (15) can provide a clamping action towards the axle hole (13).
- The wrench of claim 1, wherein the smooth section (25) of the control ring (21) has an external diameter greater than the external diameter of the ratchet section (24).
- The wrench of claim 1, wherein the wrench handle (31) includes a penetrating hole formed at an end of the wrench handle (31) and sheathed onto the connecting end (22) of the control ring (21), and two fixing pins (33) are passed into the wrench handle (31) and the positioning slot (23) of the connecting end (22) respectively, such that the wrench handle (31) is integrally coupled and linked with the control ring (21).
- The wrench of claim 1, wherein the control ring (21) is in a hollow ring shape, and a tapered neck (26) and a positioning recession (27) are defined from bottom to top at predetermined positions of the internal wall of the control ring (21), and a base (42) is formed and expanded outward from an end of the prop column (41) facing downward, and the prop column (41) is fixed to the bottom of the axle hole (13) of the driving head (11) by the base (42), and a through hole (44) is penetrated radially through the prop column (41), and two positioning blocks (45) arranged in opposite directions are contained in the through hole (44), and a second elastic element (46) is installed between the two positioning blocks (45) for providing the two positioning blocks (45) an elastic force towards the internal wall of the control ring (21), and when the ratchet section (24) of the control ring (21) is latched to the two pawls (15) to define a fixed state, the two positioning blocks (45) are latched to a tapered neck (26) of the internal wall of the control ring (21), and when the control ring (21) is driven synchronously by the wrench handle (31) to release the fixed state of latching the ratchet section (24) with the two pawls (15), the two positioning blocks (45) are latched and abutted against the positioning recession (27) of the internal wall of the control ring (21).
- The wrench of claim 5, further comprising a third elastic element (47) installed between the base (42) and the control ring (21), and the elastic force provided by the second elastic element (46) of the two positioning blocks (45) is greater than the elastic force of the third elastic element (47).
- The wrench of claim 5, wherein the base (42) further includes a stop portion protruded from the base (42) and accommodated into the bottom of the accommodating portion (14), such that when the prop column (41) is fixed to the bottom of the axle hole (13) of the driving head (11) by the base (42), the stop portion (421) of the base (42) and the top of the accommodating portion (14) are provided for stopping the two pawls (15) to prevent the two pawls (15) from being separated from the accommodating portion (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20100151255 EP2347860B1 (en) | 2010-01-20 | 2010-01-20 | Wrench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20100151255 EP2347860B1 (en) | 2010-01-20 | 2010-01-20 | Wrench |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2347860A1 EP2347860A1 (en) | 2011-07-27 |
EP2347860B1 true EP2347860B1 (en) | 2012-08-22 |
Family
ID=42238262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20100151255 Not-in-force EP2347860B1 (en) | 2010-01-20 | 2010-01-20 | Wrench |
Country Status (1)
Country | Link |
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EP (1) | EP2347860B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113617708B (en) * | 2021-08-12 | 2022-10-04 | 浙江英洛华磁业有限公司 | External thread cleaning device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191119514A (en) * | 1911-09-01 | 1912-08-29 | Percy Richard Julius Willis | Improvements in Wrenches. |
US1665944A (en) * | 1926-07-14 | 1928-04-10 | Albertini Albert | Wrench |
CA2237987C (en) * | 1996-10-02 | 2000-12-26 | The Stanley Works | Indexible wrench |
DE10301785B3 (en) * | 2003-01-18 | 2004-06-09 | William Tools Co., Ltd. | Rapid-rotation spanner has angle matching device allowing spanner body to be positioned at required angle relative to spanner drive head |
TW592899B (en) * | 2003-07-22 | 2004-06-21 | Hou-Fei Hu | Improved structure for composite wrench |
US6993998B1 (en) * | 2005-02-01 | 2006-02-07 | Chein Chuan Kao | Wrench having angle adjustable handle |
DE202006008615U1 (en) * | 2006-05-31 | 2006-08-10 | Lee, Yi Min | Two-section spanner has teeth of toothed wheel meshing with teeth of handle and teeth of lever at one speed, and mesh either with teeth of handle or teeth of lever so that handle and lever can be rotated at different angular speed |
DE202007017046U1 (en) * | 2007-12-04 | 2008-02-21 | Hsieh, Chih-Ching, Fengyuan | The construction for positioning a tool |
-
2010
- 2010-01-20 EP EP20100151255 patent/EP2347860B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2347860A1 (en) | 2011-07-27 |
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