CN102756349B - Multifunctional ratchet wrench - Google Patents
Multifunctional ratchet wrench Download PDFInfo
- Publication number
- CN102756349B CN102756349B CN201210272846.1A CN201210272846A CN102756349B CN 102756349 B CN102756349 B CN 102756349B CN 201210272846 A CN201210272846 A CN 201210272846A CN 102756349 B CN102756349 B CN 102756349B
- Authority
- CN
- China
- Prior art keywords
- instrument
- handle
- connecting portion
- tool
- connecting hole
- 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.)
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/04—Handle constructions telescopic; extensible; sectional
- B25G1/043—Handle constructions telescopic; extensible; sectional for screwdrivers, wrenches or spanners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/06—Handle constructions reversible or adjustable for position
- B25G1/063—Handle constructions reversible or adjustable for position for screwdrivers, wrenches or spanners
- B25G1/066—Handle constructions reversible or adjustable for position for screwdrivers, wrenches or spanners the grip itself being angularly adjustable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G3/00—Attaching handles to the implements
- B25G3/02—Socket, tang, or like fixings
- B25G3/12—Locking and securing devices
- B25G3/24—Locking and securing devices comprising clamping or contracting means acting transversely on the handle or socket
Abstract
The invention provides a multifunctional ratchet wrench, which comprises a switching handle and one or more tools. Each of the tools is matched with the switching handle, and is provided with a wrench. The switching handle comprises a handle and a tool joint, which are hinged. Each tool with the wrench comprises a connecting handle and a ratchet wrench mechanism arranged at one end of the connecting handle. The tool joint can be detachably connected with different specifications of tools with the wrenches, and can rotate relative to the handle, and an included angle between the handle and the tool can be changed by rotation according to different operating spaces and the habits of operators to change the overall shape and operating angle of the ratchet wrench, so that the multifunctional ratchet wrench is convenient to operate and more labor-saving.
Description
Technical field
A kind of Wrench that the present invention relates to, particularly a kind of multi-functional ratchet spanner.
Background technology
Ratchet spanner has become the widely used a kind of Wrench in the whole world, its head has a ratchet device can be controlled spanner by the plectrum being placed on outside only or only to the right left, just because of have this ratchet device so operator does not need to repeat to extract to load such action, so be widely used in use.For a dismounting object, differ in the dismounting space at its different dismounting position often not of uniform size, entry angle, although ratchet spanner has its above-mentioned advantage, but the length of its operating grip, shape, angle are fixing, when running into the problems referred to above, namely its advantage easy to use cannot play, and brings certain limitation to its use.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of multifunctional ratchet wrench, ratchet spanner can be made to use under more occasion, play the advantage that it is easy to use.For this reason, the present invention by the following technical solutions: the instrument of one or more strap wrenches that it comprises conversion handle and matches with conversion handle;
Described conversion handle comprises handle and tool-joint, and described handle and tool-joint are for being articulated and connected, and its turning cylinder is perpendicular to the axis of handle, and the instrument link of described tool-joint is provided with instrument connecting hole;
The instrument of described strap wrenches, comprises connection handle and the ratchet spanner mechanism being located at connection handle one end; Described connection handle has the holding area holding operation for hand; The other end of described connection handle is connected with instrument connecting hole is removable, connection handle is provided with the connecting portion matched with instrument connecting hole at this end, described connecting portion transmission gives described instrument from the torsion of conversion handle input, described connection handle has extending area at this end, described connecting portion is in the rear of extending area, and described instrument connecting hole can be inserted in described connecting portion and extending area; Described connecting portion is also a kind of spanner, and the spanner specification of connecting portion is different with the spanner specification in described ratchet spanner.
On the basis adopting technique scheme, the present invention also can adopt following further technical scheme:
The link of described handle and tool-joint is provided with the left and right linking arm installing described turning cylinder, and link slot is formed between the linking arm of left and right, the link that the adaptive described tool-joint of described link slot is connected with handle, and the positioning bead supported by flexible member protruded in the middle of bottom link slot is provided with in the bottom of link slot, the top of the link that described tool-joint is connected with handle is provided with the detent coordinated with positioning bead middle bottom link slot.
The position of the positioning bead in the middle of bottom described link slot is on the central axis of handle, and the position of described detent is also on the central axis of tool-joint.
The instrument connecting hole of described tool-joint is stepped hole, and it leans on one section of aperture to be the macropore section matched with connecting portion, is the aperture section for the described extending area of storage inside it.
Described extending area is lead, and itself and described aperture section slide-and-guide coordinate.
Described instrument connecting hole and instrument are at least containing the one in following fit structure:
1), the connecting portion side of instrument is provided with the positioning bead supported by flexible member, and the sidewall of instrument connecting hole is provided with the annular groove coordinated with the positioning bead on instrument;
2), the sidewall of instrument connecting hole be provided with give prominence to its sidewall surfaces, the positioning bead that supported by flexible member, the connecting portion side of instrument is provided with the annular groove coordinated with the positioning bead on instrument connecting hole;
Or described instrument connecting hole and instrument contains or also simultaneously containing following mechanism: the bottom of instrument connecting hole is provided with magnet, and instrument can by attraction in this one end of insertion tool connecting hole.
Described ratchet spanner mechanism is double-end ratchet wrench mechanism.
Described connecting portion is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit, between the afterbody and connection handle of four square head wrenches, there is limited step, the afterbody of described fixed screw screwdriver bit has the cylinder thicker than fixed screw screwdriver bit, described cylinder is in the head of four square head wrenches, described cylindrical diameter is short compared with the length of side of four square head wrenches, and four square head wrenches of described connection handle, connecting portion, cylinder, fixed screw screwdriver bit are on same central axis.
Described connecting portion is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit, between the afterbody and connection handle of four square head wrenches, have limited step, four square head wrenches, the fixed screw screwdriver bit of described connection handle, connecting portion are on same central axis.
Owing to adopting technical scheme of the present invention, tool-joint of the present invention can connect with the instrument of the strap wrenches of the present invention of different size is removable, can relatively rotate between handle of the present invention and tool-joint, can according to the custom of different operating spaces and operator, by rotating the angle changed between handle and instrument, to change global shape and the work angle of ratchet spanner, different operating spaces can be adapted to, also operator can be made to use ratchet spanner in the mode meeting most its operating habit, handled easily is more laborsaving simultaneously; Further, when running into narrow operating spaces, when handle to turn to the instrument of strap wrenches angularly, handle has the feature of rocking handle, makes operator can operation tool more effortlessly.Further, can also position between handle of the present invention and tool-joint, can instant packed transport and the tool operation when tool-joint and handle are in same axis.
In the present invention, the connection handle of the instrument of strap wrenches, not only there is linkage function and can also supply hand operated, the connecting portion of connection handle had both played the effect be connected with tool-joint, itself be also the another kind of spanner different from the spanner specification in ratchet spanner, further, the extending area of its head also can be designed to fixed screw screwdriver bit, make the instrument of strap wrenches itself also can become the multifunctional ratchet wrench of four functional heads, the use of disassemble and assemble work and instrument can be further facilitated.
Accompanying drawing explanation
Fig. 1 is that figure cuts open in the office of embodiment provided by the present invention.
Fig. 2 is that figure cuts open in the office of the instrument of middle strap wrenches embodiment illustrated in fig. 1.
Fig. 3 is that figure cuts open in the office of middle conversion handle embodiment illustrated in fig. 1.
Fig. 4 is schematic perspective view embodiment illustrated in fig. 1.
Fig. 5 is the instrument of another kind of strap wrenches provided by the present invention and the connection diagram of conversion handle.
Fig. 6 is that figure cuts open in the office of the instrument of another strap wrenches provided by the present invention.
Detailed description of the invention
Embodiment 1, with reference to accompanying drawing 1-4.
The instrument 2 of one or more strap wrenches that the present invention includes conversion handle 1 and match with conversion handle;
Described conversion handle comprises handle 11 and tool-joint 12, and described handle and tool-joint are for being articulated and connected, and its turning cylinder 10 is perpendicular to the axis of handle 11, and the instrument link of described tool-joint 12 is provided with instrument connecting hole 120;
The instrument 2 of described strap wrenches comprises connection handle 21 and is located at the ratchet spanner mechanism 22 of connection handle one end; Described connection handle 21 has the holding area 210 holding operation for hand; The other end of described connection handle is connected with instrument connecting hole 120 is removable, connection handle is provided with the connecting portion 23 matched with instrument connecting hole 120 at this end, described connecting portion 23 transmits from changing the torsion of handle 1 input to described instrument 2, described connection handle 1 has extending area 24 at this end, described connecting portion 23 is in the rear of extending area 24, and described connecting portion 23 and extending area 24 can be inserted described instrument and be connected 120 holes; Described connecting portion 23 is also a kind of spanner, and the spanner specification of connecting portion 23 is different with the spanner specification in described ratchet spanner.
Described handle 11 is provided with the link of tool-joint the left and right linking arm 111,112 installing described turning cylinder, and link slot 113 is formed between left and right linking arm 111,112, the link 124 that the adaptive described tool-joint 12 of described link slot 113 is connected with handle 11, and the positioning bead 115 supported by flexible member 114 protruded in the middle of bottom link slot is provided with in the bottom of link slot 113, the top of the link 124 that described tool-joint is connected with handle is provided with the detent 125 coordinated with positioning bead 115 middle bottom link slot.Certainly; also can be that positioning bead 115 is arranged on link 124; and detent 125 is arranged in link slot 113; two kinds of embodiments belong to equivalent; but it is more reasonable in the former mode; relative to detent 125, positioning bead 115 belongs to consumable accessory, and link slot 113 can provide better protection to it.
The position of the positioning bead 115 in the middle of bottom described link slot is on the central axis of handle 11, and the position of described detent 125 is also on the central axis of tool-joint 12.
The instrument connecting hole 120 of described tool-joint is stepped hole, and it leans on one section of aperture to be the macropore section 121 matched with connecting portion, is the aperture section 122 for the described extending area of storage inside it.
Described extending area 24 is lead, and itself and described aperture section 122 slide-and-guide coordinate, and have limited step 231 between four square head wrenches and connection handle 21.
Described instrument connecting hole and instrument are at least containing the one in following fit structure:
1), connecting portion 23 side of instrument is provided with the positioning bead 232 supported by flexible member 231, and the sidewall of instrument connecting hole 120 is provided with the annular groove 123 coordinated with the positioning bead 232 on instrument;
2), the sidewall of instrument connecting hole be provided with give prominence to its sidewall surfaces, the positioning bead that supported by flexible member, the connecting portion side of instrument is provided with the annular groove coordinated with the positioning bead on instrument connecting hole; (not adopting in the present embodiment)
Or described instrument connecting hole and instrument contains or also simultaneously containing following mechanism: the bottom of instrument connecting hole is provided with magnet, and instrument can by attraction in this one end of insertion tool connecting hole.(not adopting in the present embodiment)
In the present embodiment, described ratchet spanner mechanism 22 adopts double-end ratchet wrench mechanism.It comprises the overcoat 221 be connected on handle 21, the ratchet head 222 be in described overcoat 221, and the periphery of ratchet head 222 is provided with hook tooth 223, and the upper and lower side of ratchet head 222 is respectively equipped with described square head 224 and square head 225; In described overcoat 221, hinged a pair ratchet engaged with hook tooth 223, is provided with steering gear 226 between described a pair ratchet.Ratchet is supported by volute spring behind.Drawing reference numeral 267 is cover plate, cover plate 267 with two screw lockings on overcoat 221.
Four square head wrenches of described connecting portion 23 are the square head of 3/8 inch.The working head 224 of described ratchet spanner mechanism 22 side is 1/2 inch of square head, and the working head 225 of its opposite side is 1/4 inch of square head.
Embodiment 2, with reference to accompanying drawing 5
In the present embodiment, the structure of conversion handle is identical with embodiment 1.The instrument of strap wrenches is identical with embodiment 1.
In the present embodiment, described connecting portion 23 is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit 25, described fixed screw screwdriver bit 25 is Philip's head screw screwdriver bit, between the afterbody and connection handle 21 of four square head wrenches, have limited step 231, four square head wrenches, the fixed screw screwdriver bit 25 of described connection handle 21, connecting portion 23 are on same central axis.
Embodiment 3, with reference to accompanying drawing 6
In the present embodiment, the structure of conversion handle is identical with embodiment 1.The instrument of strap wrenches is identical with embodiment 1.
In the present embodiment, described connecting portion 23 is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit 25, described fixed screw screwdriver bit 25 is Philip's head screw screwdriver bit, between the afterbody and connection handle 21 of four square head wrenches, there is limited step 231, the afterbody of described fixed screw screwdriver bit has the cylinder 26 thicker than fixed screw screwdriver bit, described cylinder 26 is in the head of four square head wrenches, the diameter of described cylinder 26 is short compared with the length of side of four square head wrenches, described connection handle 21, four square head wrenches of connecting portion 23, cylinder 26, fixed screw screwdriver bit 25 is on same central axis.
In embodiment 2,3, the instrument of strap wrenches provided by the present invention at one end has spanner and screwdriver bit for the ratchet spanner mechanism other end, ratchet spanner is made to have instrument that is difunctional, four functional heads, the number of times of tool changing can be reduced when completing a dismounting task, can greatly easy disassembly work and instrument use.
Claims (9)
1. a multifunctional ratchet wrench, is characterized in that the instrument of one or more strap wrenches that it comprises conversion handle and matches with conversion handle;
Described conversion handle comprises handle and tool-joint, and described handle and tool-joint are for being articulated and connected, and its turning cylinder is perpendicular to the axis of handle, and the instrument link of described tool-joint is provided with instrument connecting hole;
The instrument of described strap wrenches, comprises connection handle and the ratchet spanner mechanism being located at connection handle one end; Described connection handle has the holding area holding operation for hand; The other end of described connection handle is connected with instrument connecting hole is removable, connection handle is provided with the connecting portion matched with instrument connecting hole at the other end of described connection handle, described connecting portion transmission gives described instrument from the torsion of conversion handle input, described connection handle has extending area at the other end of described connection handle, described connecting portion is in the rear of extending area, and described instrument connecting hole can be inserted in described connecting portion and extending area; Described connecting portion is also a kind of spanner, and the spanner specification of connecting portion is different with the spanner specification in described ratchet spanner.
2. a kind of multifunctional ratchet wrench as claimed in claim 1, it is characterized in that the link of described handle and tool-joint is provided with the left and right linking arm installing described turning cylinder, and link slot is formed between the linking arm of left and right, the link that the adaptive described tool-joint of described link slot is connected with handle, and the positioning bead supported by flexible member protruded in the middle of bottom link slot is provided with in the bottom of link slot, the top of the link that described tool-joint is connected with handle is provided with the detent coordinated with positioning bead middle bottom link slot.
3. a kind of multifunctional ratchet wrench as claimed in claim 2, it is characterized in that the position of the positioning bead in the middle of bottom described link slot is on the central axis of handle, the position of described detent is also on the central axis of tool-joint.
4. a kind of multifunctional ratchet wrench as claimed in claim 1, is characterized in that the instrument connecting hole of described tool-joint is stepped hole, and it leans on one section of aperture to be the macropore section matched with connecting portion, is the aperture section for the described extending area of storage inside it.
5. a kind of multifunctional ratchet wrench as claimed in claim 4, is characterized in that described extending area is lead, and itself and described aperture section slide-and-guide coordinate.
6. a kind of multifunctional ratchet wrench as claimed in claim 1, is characterized in that described instrument connecting hole and instrument at least containing the one in following fit structure:
1), the connecting portion side of instrument is provided with the positioning bead supported by flexible member, and the sidewall of instrument connecting hole is provided with the annular groove coordinated with the positioning bead on instrument;
2), the sidewall of instrument connecting hole be provided with give prominence to its sidewall surfaces, the positioning bead that supported by flexible member, the connecting portion side of instrument is provided with the annular groove coordinated with the positioning bead on instrument connecting hole;
Or described instrument connecting hole and instrument contains or also simultaneously containing following mechanism: the bottom of instrument connecting hole is provided with magnet, and instrument can by attraction in this one end of insertion tool connecting hole.
7. a kind of multifunctional ratchet wrench as claimed in claim 1, is characterized in that described ratchet spanner mechanism is double-end ratchet wrench mechanism.
8. a kind of multifunctional ratchet wrench as claimed in claim 1, it is characterized in that described connecting portion is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit, between the afterbody and connection handle of four square head wrenches, there is limited step, the afterbody of described fixed screw screwdriver bit has the cylinder thicker than fixed screw screwdriver bit, described cylinder is in the head of four square head wrenches, described cylindrical diameter is short compared with the length of side of four square head wrenches, described connection handle, four square head wrenches of connecting portion, cylinder, fixed screw screwdriver bit is on same central axis.
9. a kind of multifunctional ratchet wrench as claimed in claim 1, it is characterized in that described connecting portion is four square head wrenches different from the spanner specification in ratchet spanner mechanism, described extending area is fixed screw screwdriver bit, between the afterbody and connection handle of four square head wrenches, have limited step, four square head wrenches, the fixed screw screwdriver bit of described connection handle, connecting portion are on same central axis.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272846.1A CN102756349B (en) | 2012-08-02 | 2012-08-02 | Multifunctional ratchet wrench |
| PCT/CN2013/079858 WO2014019463A1 (en) | 2012-08-02 | 2013-07-23 | Multifunctional ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210272846.1A CN102756349B (en) | 2012-08-02 | 2012-08-02 | Multifunctional ratchet wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102756349A CN102756349A (en) | 2012-10-31 |
| CN102756349B true CN102756349B (en) | 2015-03-11 |
Family
ID=47051116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210272846.1A Active CN102756349B (en) | 2012-08-02 | 2012-08-02 | Multifunctional ratchet wrench |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102756349B (en) |
| WO (1) | WO2014019463A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756349B (en) * | 2012-08-02 | 2015-03-11 | 浙江拓进五金工具有限公司 | Multifunctional ratchet wrench |
| CN103358258B (en) * | 2013-07-12 | 2015-06-10 | 浙江拓进五金工具有限公司 | Multifunctional ratchet spanner binding tool |
| CN103707228B (en) * | 2013-12-26 | 2016-02-10 | 杭州潘工工具有限公司 | A kind of Multifunctional die tap wrench |
| CN103817633B (en) * | 2014-03-14 | 2015-09-09 | 北京工业大学 | A kind of deformable spanner |
| US11511401B2 (en) | 2019-08-29 | 2022-11-29 | Snap-On Incorporated | Flex joint lock button |
| TWI745111B (en) * | 2020-10-06 | 2021-11-01 | 永益年企業股份有限公司 | Connector removal tool |
| BE1029086B1 (en) * | 2021-02-05 | 2022-09-05 | Espaces Et Forets | Ratchet wrench with a hinged handle |
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| CN2292635Y (en) * | 1997-05-14 | 1998-09-30 | 严长峰 | Magnetic deep hole shocket wrench |
| CN1282649A (en) * | 1999-07-31 | 2001-02-07 | 格雷格·欧沃克 | Multipl joint spanner bandle |
| US6260445B1 (en) * | 1999-09-07 | 2001-07-17 | Snap-On Tools Company | Ratcheting composite screwdriver |
| CN201009225Y (en) * | 2007-02-11 | 2008-01-23 | 卢跃升 | Multifunctional combined hammer |
| US7398710B1 (en) * | 2006-12-28 | 2008-07-15 | Shih-Chi Ho | Rotary positioning structure of a ratchet screwdriver |
| CN101428411A (en) * | 2007-11-07 | 2009-05-13 | Ibt控股有限责任公司 | Ratchet wrench with detachable and rotatable head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436004A (en) * | 1982-03-03 | 1984-03-13 | Chang Hui Huang | Universal multi-socket ratchet wrench |
| US4811638A (en) * | 1988-04-25 | 1989-03-14 | Ernst Kertzscher | Torque tools |
| CN2242162Y (en) * | 1995-07-04 | 1996-12-11 | 徐敏刚 | Disassemble and adjustable type socket wrench |
| CN201889737U (en) * | 2010-12-02 | 2011-07-06 | 宁波行一汽车零部件有限公司 | Double-end ratchet wrench |
| CN102756349B (en) * | 2012-08-02 | 2015-03-11 | 浙江拓进五金工具有限公司 | Multifunctional ratchet wrench |
-
2012
- 2012-08-02 CN CN201210272846.1A patent/CN102756349B/en active Active
-
2013
- 2013-07-23 WO PCT/CN2013/079858 patent/WO2014019463A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292635Y (en) * | 1997-05-14 | 1998-09-30 | 严长峰 | Magnetic deep hole shocket wrench |
| CN1282649A (en) * | 1999-07-31 | 2001-02-07 | 格雷格·欧沃克 | Multipl joint spanner bandle |
| US6260445B1 (en) * | 1999-09-07 | 2001-07-17 | Snap-On Tools Company | Ratcheting composite screwdriver |
| US7398710B1 (en) * | 2006-12-28 | 2008-07-15 | Shih-Chi Ho | Rotary positioning structure of a ratchet screwdriver |
| CN201009225Y (en) * | 2007-02-11 | 2008-01-23 | 卢跃升 | Multifunctional combined hammer |
| CN101428411A (en) * | 2007-11-07 | 2009-05-13 | Ibt控股有限责任公司 | Ratchet wrench with detachable and rotatable head |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014019463A1 (en) | 2014-02-06 |
| CN102756349A (en) | 2012-10-31 |
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Denomination of invention: A multifunctional ratchet wrench Effective date of registration: 20230613 Granted publication date: 20150311 Pledgee: Industrial and Commercial Bank of China Limited Shangyu sub branch Pledgor: ZHEJIANG TUOJIN HARDWARE TOOL Co.,Ltd. Registration number: Y2023980043693 |