CN114310759A - Locking sleeve with auxiliary locking - Google Patents
Locking sleeve with auxiliary locking Download PDFInfo
- Publication number
- CN114310759A CN114310759A CN202011084080.5A CN202011084080A CN114310759A CN 114310759 A CN114310759 A CN 114310759A CN 202011084080 A CN202011084080 A CN 202011084080A CN 114310759 A CN114310759 A CN 114310759A
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- Prior art keywords
- locking
- outer cylinder
- inner cylinder
- sleeve
- cylinder body
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses a locking sleeve with auxiliary locking, which comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder; the outer cylinder is provided with an outer cylinder body, a clamping end and a locking end which are respectively arranged at two ends of the outer cylinder body, a locking space formed in the outer cylinder body, and a plurality of slots arranged on the outer cylinder body, so that the locking end forms a plurality of clamping jaws with elastic change, and the end edge of each clamping jaw is provided with a clamping block; when locking operation is carried out, the head of the locking assembly is accommodated and limited through the locking space, and the clamping blocks are clamped on the peripheral wall surface of the head stably so as to position the locking assembly quickly, facilitate quick subsequent locking operation, improve the use convenience and achieve a stable locking effect.
Description
Technical Field
The present invention relates to a locking tool, and more particularly to a locking sleeve with an auxiliary locking function.
Background
With the development of industrial technology, locking assemblies such as bolts, nuts and screws are generally applied to combined structures of various products, and locking sleeves are widely applied to the assembly and disassembly operations of the locking assemblies with hexagonal heads; however, the hexagonal heads of the locking assemblies have different dimensional tolerances, and in order to match the heads with different dimensional tolerances for locking, the locking space for accommodating the head in the locking sleeve has a larger tolerance, so that the locking space cannot be tightly positioned with the head, and the locking process must apply force to tightly abut against the locking assembly, otherwise, the locking assembly is easy to slip, and the locking effect is poor; furthermore, the locking sleeve is only used for locking assemblies with hexagonal heads, and the range of use of the locking sleeve is limited.
As shown in fig. 1 and 2, the locking sleeve 1 includes a locking rod 11, a sleeve body 12 disposed at one end of the locking rod 11, a magnetic element 13 disposed in the sleeve body 12, and a protection element 14 made of a soft material and covering the magnetic element 13; the sleeve body 12 has a cylinder 121, a hexagonal locking hole 122 formed in the sleeve body 12, and a mounting hole 123 communicating with the hexagonal locking hole 122 and capable of accommodating the magnetic element 13; therefore, when a locking assembly (not shown) having a hexagonal head is locked, the hexagonal locking hole 122 is covered on the head of the locking assembly, so that the head enters the locking space 122 and is magnetically positioned by the magnetic attraction member 13, and the locking rod 11 drives the sleeve body 12 to rotate, so as to drive the locking assembly to perform the locking operation.
However, after practical use, it is found that, firstly, the conventional magnetic locking sleeve 1 can only slightly improve the locking problem of the hexagonal head of the locking assembly, but the applicability of the locking assembly with other head types cannot be improved; furthermore, although the magnetic attraction piece 13 can attract the locking component, the magnetic attraction piece 13 is in large-area contact with the outside air for a long time, which is easy to accelerate the generation of oxidation phenomenon, so that the magnetism of the magnetic attraction piece 13 is continuously attenuated along with the increase of the use time, and the service life of the locking sleeve 1 is further influenced, and besides, metal debris generated in the locking process is easy to attach to the magnetic attraction piece 13, so that the magnetic attraction effect of the magnetic attraction piece 13 is further influenced, the subsequent use efficacy of the locking sleeve 1 is greatly influenced, and the improvement is needed. As shown in fig. 1 and 2, the locking sleeve 1 includes a locking rod 11, a sleeve body 12 disposed at one end of the locking rod 11, a magnetic element 13 disposed in the sleeve body 12, and a protection element 14 made of a soft material and covering the magnetic element 13; the sleeve body 12 has a cylinder 121, a hexagonal locking hole 122 formed in the sleeve body 12, and a mounting hole 123 communicating with the hexagonal locking hole 122 and capable of accommodating the magnetic element 13; therefore, when a locking assembly (not shown) having a hexagonal head is locked, the hexagonal locking hole 122 is covered on the head of the locking assembly, so that the head enters the locking space 122 and is magnetically positioned by the magnetic attraction member 13, and the locking rod 11 drives the sleeve body 12 to rotate, so as to drive the locking assembly to perform the locking operation.
However, after practical use, it is found that, firstly, the conventional magnetic locking sleeve 1 can only slightly improve the locking problem of the hexagonal head of the locking assembly, but the applicability of the locking assembly with other head types cannot be improved; furthermore, although the magnetic attraction piece 13 can attract the locking component, the magnetic attraction piece 13 is in large-area contact with the outside air for a long time, which is easy to accelerate the generation of oxidation phenomenon, so that the magnetism of the magnetic attraction piece 13 is continuously attenuated along with the increase of the use time, and the service life of the locking sleeve 1 is further influenced, and besides, metal debris generated in the locking process is easy to attach to the magnetic attraction piece 13, so that the magnetic attraction effect of the magnetic attraction piece 13 is further influenced, the subsequent use efficacy of the locking sleeve 1 is greatly influenced, and the improvement is needed.
Disclosure of Invention
Therefore, an object of the present invention is to provide a locking sleeve with an auxiliary locking function, which can firmly clamp locking components of different head types, thereby facilitating the rapid proceeding of subsequent locking operations, improving the convenience of use and achieving a stable locking effect.
Therefore, the locking sleeve with the auxiliary locking function comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder; wherein, the inner cylinder is provided with an inner cylinder body and a locking rod body which extends outwards from the inner cylinder body; in addition, the outer cylinder is provided with an outer cylinder body, a clamping end and a locking end which are respectively formed at two ends of the outer cylinder body, a locking space which is surrounded by the outer cylinder body, and a plurality of slots which are arranged on the outer cylinder body and extend outwards from the locking end, so that the outer cylinder body forms a plurality of clamping jaws with elastic change, and the end edge of each clamping jaw is provided with a clamping block; when locking operation is carried out, the head of the locking assembly is accommodated and limited through the locking space, the clamping blocks are clamped on the wall surface of the head stably, meanwhile, the grooves increase the elastic desire of the outer barrel, so that the locking assembly is positioned and clamped stably, subsequent locking operation is simplified effectively, locking operation can be carried out quickly, convenience in use is improved, and a stable locking effect is achieved.
As a further improvement of the present invention, a first thread section is formed on the outer periphery of the locking rod, and a second thread section is formed on the inner periphery of the inner cylinder, so that the locking rod and the inner cylinder are locked and fixed through the first thread section and the second thread section.
As a further improvement of the invention, the other end of the inner cylinder body is provided with a locking piece which protrudes outwards.
As a further improvement of the present invention, the inner cylinder forms a chamber for the locking rod to extend and a receiving space for the head of the locking assembly to receive.
As a further improvement of the invention, the locking piece protrudes outwards from the inner cylinder and is arranged in the accommodating space.
As a further improvement of the present invention, the accommodating space is surrounded by a plurality of peripheral walls for accommodating the head of the locking assembly.
As a further improvement of the invention, each clamping block is provided with an inclined surface which obliquely and convexly extends from the locking end to the locking space.
As a further improvement of the invention, each clamping block is provided with a positioning surface connected with the inclined surface, the joint of the inclined surface and the positioning surface extends outwards to define a base line, the positioning surface and the base line are arranged at a first angle, the inclined surface and the base line are arranged at a second angle, and the first angle and the second angle are arranged at different inclination angles.
As a further improvement of the invention, a bearing is arranged between the inner cylinder and the outer cylinder, so that the outer cylinder is not acted when the inner cylinder is linked by the locking rod body.
As a further improvement of the invention, a limiting block is arranged at the clamping end of the outer cylinder to limit and fix the bearing.
Drawings
FIG. 1 is a perspective view of a known locking sleeve;
FIG. 2 is an end view of a known locking sleeve;
FIG. 3 is an exploded perspective view of the first preferred embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the components of FIG. 3;
FIG. 5 is an operation diagram of the first preferred embodiment;
FIG. 6 is an operation diagram of the second preferred embodiment of the present invention;
FIG. 7 is an exploded perspective view of a third preferred embodiment of the present invention;
FIG. 8 is an end view of the third preferred embodiment;
FIG. 9 is an operation diagram of the third preferred embodiment;
FIG. 10 is an operation diagram of the fourth preferred embodiment of the present invention;
FIG. 11 is an operation diagram of the fifth preferred embodiment of the present invention.
Description of the symbols:
(publicly known)
1: locking sleeve
11: locking rod body
12: sleeve body
13: magnetic part
14: protective element
121: barrel body
122: locking hole
123: mounting hole
(present invention)
3: locking sleeve
31: inner cylinder
32: outer cylinder
33: bearing assembly
34: limiting block
311: inner cylinder
312: locking rod body
313 a: first thread segment
313 b: second thread segment
314: containing chamber
315: locking piece
316: containing space
317: peripheral wall
321: outer cylinder
322: clamping end
323: locking end
324: closure space
325: slotting
326: clamping jaw
327: clamping block
3271: inclined plane
3272: locating surface
α: first angle
Beta: second angle
R: base line
4: locking assembly
41: head part
A: lock hole
B: gasket
5: article
Detailed Description
These and other aspects, features and advantages of the present invention will become apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings.
Referring to fig. 3 and 4, in the first preferred embodiment of the locking sleeve 3 with auxiliary locking of the present invention, the locking sleeve 3 comprises an inner cylinder 31 and an outer cylinder 32 sleeved outside the inner cylinder 31; the inner cylinder 31 has an inner cylinder 311 and a locking rod 312 extending from the inner cylinder 311; in this embodiment, a first threaded section 313a is formed on the outer periphery of the locking rod 312, a second threaded section 313b is formed on the inner periphery of the inner cylinder 311, so that the locking rod 312 and the inner cylinder 311 are locked and fixed by the first threaded section 313a and the second threaded section 313b, and a containing chamber 314 for the extension of the locking rod 312 is formed on the inner cylinder 311; the outer cylinder 32 has an outer cylinder 321, a locking end 322 disposed at one end of the outer cylinder 321 and engaged with the inner cylinder 311, a locking end 323 disposed at the other end of the outer cylinder 321 opposite to the locking end 322, a locking space 324 formed in the outer cylinder 321 and surrounded by the outer cylinder 321, and a plurality of slots 325 disposed on the outer cylinder 321 and extending from the locking end 323 to the locking end 322, so that the outer cylinder 321 is formed with a plurality of elastically variable jaws 326, and an end edge of each jaw 326 is formed with a locking block 327, in this embodiment, each locking block 327 has an inclined surface 71 inclined from the locking end 323 to the locking space 324 and protruding, and a positioning surface 3272 connected to the inclined surface 3271, and a joint of the inclined surface 3271 and the positioning surface 3272 extends outward to define a base line R, and the positioning surface 3272 and the base line R are disposed at a first angle α, the inclined surface 3271 forms a second angle β with the base line R, and the first angle α of the positioning surface 3272 is greater than the second angle β of the inclined surface 3271.
Referring to fig. 3 and 5, when the locking sleeve 3 is assembled, the locking rod 312 and the inner cylinder 311 are first screwed and fixed by the first thread section 313a and the second thread section 313b, and then the inner cylinder 311 is extended into the locking space 324 from the locking end 322 of the outer cylinder 32, so that the outer cylinder 32 is sleeved on the outer periphery of the inner cylinder 311, while in this embodiment, the locking assembly 4 with the disk-shaped head 41 is locked to match the shape of the head 41, the end edge of the inner cylinder 311 can be arranged in an arc shape, when the locking assembly 4 is locked, the locking end 323 is first covered on the head 41 of the locking assembly 4, so that the locking block 327 contacts with the wall surface of the head 41, and at this time, a downward force is applied to press the outer cylinder 32 toward the head 41, and the locking blocks 327 also press the wall surface of the head 41, at this time, since the locking assembly 4 has a slight elastic desire, and the slots 325 are helpful to increase the elastic desire of the outer cylinder 32, so that the head 41 can smoothly enter the locking space 324 and be limited by the end edge of the inner cylinder 311, and the locking blocks 327 are also fastened to the peripheral wall surface of the head 41, so as to more stably position the locking assembly 4, and then a rotational torque is applied to the locking rod 312, so as to drive the outer cylinder 32 to rotate by the rotational torque, so as to perform the locking operation of the locking assembly 4, during the locking process, not only the locking assembly 4 will not be damaged, but also the outer cylinder 32 will not be damaged during the supporting process by the locking assembly 4, so as to achieve the effect of stably positioning the locking assembly 4, effectively simplify the subsequent locking operation, and promote the rapid performance of the subsequent locking operation, so as to achieve a better locking effect, and to increase convenience in use.
Referring to fig. 6, a second preferred embodiment of the present invention still includes the components described in the first embodiment, and its purpose and efficacy are the same as those of the first embodiment, which are not described herein again, but the second preferred embodiment specifically includes: the end edge of the inner cylinder 311 opposite to the end of the locking rod 312 is provided with a locking member 315 protruding outward, and in this embodiment, the locking member 4 with the countersunk head 41 is locked, and the head 41 is provided with a locking hole a, when the locking operation of the locking member 4 is performed, the locking end 323 is covered on the head 41 and is pressed downward, so that the locking member 315 is extended and clamped in the locking hole a, and meanwhile, the clamping blocks 327 are clamped on the peripheral wall surface of the head 41, and the end edge of the inner cylinder 311 is abutted against the top surface of the head 41, which can help to perform the subsequent locking operation quickly.
Referring to fig. 7, 8 and 9, a third preferred embodiment of the present invention, which still includes the components described in the first embodiment and has the same purpose and efficacy as the first embodiment, is not repeated herein, but the third preferred embodiment particularly includes: the end edge of the inner cylinder 311 is inwardly recessed to form an accommodating space 316, the accommodating space 316 is surrounded by a plurality of peripheral walls 317, and in this embodiment, the accommodating space 316 is surrounded by the peripheral walls 317 in a hexagonal shape, and is locked to the locking component 4 having the hexagonal head 41, and the head 41 is provided with a gasket B, so that when performing locking operation, first, the locking end 323 covers the head 41, and applies a downward acting force to make the head 41 enter the accommodating space 316 from the locking space 324 and be limited by the peripheral walls 317, and meanwhile, the gasket B is also positioned in the locking space 324, and the periphery of the gasket B is clamped by the clamping blocks 327, so as to perform locking to the locking component 4 of the hexagonal head 41.
Referring to fig. 10, a fourth preferred embodiment of the present invention still includes the components described in the third embodiment, and its purpose and efficacy are the same as those of the third embodiment, which are not described herein again, but the fourth preferred embodiment specifically includes: the accommodating space 316 is provided with a locking element 315 protruding outward from the inner cylinder 311, and in this embodiment, the locking element 4 having the hexagonal head 41 is locked, and the head 41 is provided with a locking hole a and a gasket B, when the locking operation of the locking element 4 is performed, the locking end 323 is covered on the head 41 and is pressed downward, so that the head 41 enters the accommodating space 316 from the locking space 324 and is limited by the peripheral walls 317, the locking hole a is clamped by the locking element 315, the gasket B is also positioned in the locking space 324, and the periphery of the gasket B is clamped by the clamping blocks 327, so as to stably position the locking element 4.
Referring to fig. 11, a fifth preferred embodiment of the present invention still includes the components described in the first embodiment, and its purpose and efficacy are the same as those of the first embodiment, which are not described herein again, but the embodiment particularly includes: a bearing 33 is disposed between the inner cylinder 31 and the outer cylinder 32, and a stopper 34 is disposed at a locking end 322 of the outer cylinder 32 to limit and fix the bearing 33 between the outer cylinder 32 and the inner cylinder 31, so that, after the locking assembly 4 is screwed into an object 5 and the locking end 323 of the outer cylinder 32 contacts with the surface of the object 5, the bearing 33 is disposed between the inner cylinder 31 and the outer cylinder 32, so that the locking rod 312 is driven to drive the inner cylinder 311 to rotate, the outer cylinder 32 can be stably positioned without being affected, and therefore, the locking end 323 of the outer cylinder 32 does not continuously abrade the surface of the object 5 in the locking process, thereby preventing the surface of the object 5 from being abraded, and further improving the overall locking effect.
In summary, the locking sleeve with auxiliary locking of the present invention has the slots through the outer cylinder to form the jaws with elastic changes, and the end edge of each jaw is formed with the locking block to firmly clamp the locking assemblies with different head types through the locking blocks, so as to more effectively simplify the subsequent locking operation, facilitate the rapid proceeding of the subsequent locking operation, improve the convenience of use, and achieve the stable locking effect.
However, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and should not be taken as limiting the scope of the invention, i.e., the invention is intended to cover all the modifications and equivalents of the claims and their equivalents.
Claims (10)
1. A locking sleeve with auxiliary locking is characterized by comprising an inner cylinder and an outer cylinder sleeved on the inner cylinder; wherein, the inner cylinder is provided with an inner cylinder body and a locking rod body which extends outwards from one end of the inner cylinder body; in addition, the outer cylinder is provided with an outer cylinder body, a clamping end which is arranged at one end of the outer cylinder body and is mutually clamped with the inner cylinder body, a locking end which is arranged at the other end of the outer cylinder body and is opposite to the clamping end, a locking space which is surrounded by the outer cylinder body, and a plurality of grooves which are arranged on the outer cylinder body and extend from the locking end, so that the outer cylinder body forms a plurality of clamping jaws with elastic change, and the end edge of each clamping jaw is provided with a clamping block so as to assist in clamping a locking component.
2. The locking sleeve with auxiliary locking function as claimed in claim 1, wherein the locking rod has a first thread section formed on its outer circumference and a second thread section formed on its inner circumference, so that the locking rod and the inner cylinder are locked and fixed by the first thread section and the second thread section.
3. The locking sleeve with auxiliary locking of claim 1 wherein the other end of the inner cylinder is provided with an outwardly projecting locking element.
4. The locking sleeve with auxiliary locking of claim 1, wherein the inner cylinder defines a chamber for the locking rod to extend through and a receiving space for the head of the locking assembly to receive.
5. The locking sleeve with auxiliary locking of claim 4 wherein the locking element protrudes from the inner cylinder and is disposed in the receiving space.
6. The locking sleeve with auxiliary locking of claim 4 wherein the receiving space is defined by a plurality of peripheral walls for receiving the head of the locking assembly.
7. The locking sleeve with auxiliary locking of claim 1 wherein each catch piece has an inclined surface projecting obliquely from the locking end toward the locking space.
8. The locking sleeve of claim 7 wherein each detent has a positioning surface connected to the inclined surface, and the junction of the inclined surface and the positioning surface extends outwardly to define a base line, the positioning surface being disposed at a first angle to the base line, the inclined surface being disposed at a second angle to the base line, the first angle being disposed at a different angle to the second angle.
9. A closure with auxiliary locking as claimed in claim 1 wherein a bearing is provided between the inner and outer cylinders to keep the outer cylinder from being acted upon when the inner cylinder is acted upon by the locking bar.
10. The locking sleeve with auxiliary locking of claim 9 wherein the latching end of the outer barrel is provided with a stop to hold the bearing in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084080.5A CN114310759A (en) | 2020-10-12 | 2020-10-12 | Locking sleeve with auxiliary locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011084080.5A CN114310759A (en) | 2020-10-12 | 2020-10-12 | Locking sleeve with auxiliary locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114310759A true CN114310759A (en) | 2022-04-12 |
Family
ID=81032078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011084080.5A Pending CN114310759A (en) | 2020-10-12 | 2020-10-12 | Locking sleeve with auxiliary locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114310759A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6240811B1 (en) * | 1997-03-26 | 2001-06-05 | Sfs Industrie Holding Ag | Screwing element |
| US6244141B1 (en) * | 1998-08-10 | 2001-06-12 | Ki Su Han | Fastener holding device |
| FR2843062A1 (en) * | 2002-07-30 | 2004-02-06 | Etanco L R | Gripper sleeve for fastener driver has shaft with movable jaw mounted in end bore and O-ring to retain jaw |
| GB0404317D0 (en) * | 2004-02-27 | 2004-03-31 | Seedhouse Adam | Fastener retaining device |
| WO2009122025A1 (en) * | 2008-03-13 | 2009-10-08 | Ateliers Lr Etanco | Gripping and screwing bit intended to equip a screwing device |
| US20100244392A1 (en) * | 2009-01-16 | 2010-09-30 | Michael Ruhstaller | Holding device for fastening element |
| TW201041701A (en) * | 2009-05-20 | 2010-12-01 | Hoplite Industry Co Ltd | Locking socket |
| JP3190814U (en) * | 2014-03-11 | 2014-05-29 | 有限会社峰精密金型製作所 | Screw holder for screwdriver |
| US20140165794A1 (en) * | 2012-12-18 | 2014-06-19 | Wen Hung Chiang | Fastener holder for power tool |
| US20190054602A1 (en) * | 2017-08-15 | 2019-02-21 | Honda Motor Co., Ltd. | Fastener holder tool and method |
-
2020
- 2020-10-12 CN CN202011084080.5A patent/CN114310759A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6240811B1 (en) * | 1997-03-26 | 2001-06-05 | Sfs Industrie Holding Ag | Screwing element |
| US6244141B1 (en) * | 1998-08-10 | 2001-06-12 | Ki Su Han | Fastener holding device |
| FR2843062A1 (en) * | 2002-07-30 | 2004-02-06 | Etanco L R | Gripper sleeve for fastener driver has shaft with movable jaw mounted in end bore and O-ring to retain jaw |
| GB0404317D0 (en) * | 2004-02-27 | 2004-03-31 | Seedhouse Adam | Fastener retaining device |
| WO2009122025A1 (en) * | 2008-03-13 | 2009-10-08 | Ateliers Lr Etanco | Gripping and screwing bit intended to equip a screwing device |
| US20100244392A1 (en) * | 2009-01-16 | 2010-09-30 | Michael Ruhstaller | Holding device for fastening element |
| TW201041701A (en) * | 2009-05-20 | 2010-12-01 | Hoplite Industry Co Ltd | Locking socket |
| US20140165794A1 (en) * | 2012-12-18 | 2014-06-19 | Wen Hung Chiang | Fastener holder for power tool |
| JP3190814U (en) * | 2014-03-11 | 2014-05-29 | 有限会社峰精密金型製作所 | Screw holder for screwdriver |
| US20190054602A1 (en) * | 2017-08-15 | 2019-02-21 | Honda Motor Co., Ltd. | Fastener holder tool and method |
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