EP2186604B1 - Clé pivotante - Google Patents

Clé pivotante Download PDF

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Publication number
EP2186604B1
EP2186604B1 EP08019778A EP08019778A EP2186604B1 EP 2186604 B1 EP2186604 B1 EP 2186604B1 EP 08019778 A EP08019778 A EP 08019778A EP 08019778 A EP08019778 A EP 08019778A EP 2186604 B1 EP2186604 B1 EP 2186604B1
Authority
EP
European Patent Office
Prior art keywords
fixing
handle
jaw
fixing element
swing
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
Application number
EP08019778A
Other languages
German (de)
English (en)
Other versions
EP2186604A1 (fr
Inventor
Ping Wen Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE602008006097T priority Critical patent/DE602008006097D1/de
Priority to AT08019778T priority patent/ATE504397T1/de
Priority to EP08019778A priority patent/EP2186604B1/fr
Publication of EP2186604A1 publication Critical patent/EP2186604A1/fr
Application granted granted Critical
Publication of EP2186604B1 publication Critical patent/EP2186604B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
    • 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

Definitions

  • the invention relates to a hand tool and, in particular, to a swing wrench that has both traditional and one-way driving features.
  • the improved structure of a moveable wrench disclosed in GB-A-2438598 is also proposed by the present inventor. It mainly includes a fixing jaw, a moving jaw, a handle, a shaft, and a blocking pin.
  • the joint between the front end of the handle and the fixing jaw is used as the pivot point.
  • the handle drives the blocking pin in the fixing jaw to move reciprocally to unlock the moving jaw.
  • the elasticity of the spring mounted on the shaft in the main groove of the fixing jaw continuously keeps the moving jaw slightly away from the fixing jaw and then back to the holding position. It thus achieves the effect of locking or unlocking a polygonal bolt in a continuous way in one time.
  • An objective of the invention is to provide a swing wrench that can restricts the swinging state of the wrench so that it has both traditional and one-way driving features.
  • the disclosed swing wrench includes: a fixing jaw, a moving jaw, an acting set, a handle pivotally fixed at the bottom of the fixing jaw, and a blocking pin.
  • the fixing jaw has an accommodating tank.
  • a sliding track is provided above and in communication with the accommodating tank.
  • One side of the accommodating tank is formed with a through hole horizontally.
  • a connecting hole is formed in the through hole in the radial direction.
  • the moving jaw is disposed in the sliding track of the fixing jaw to move sideways along the sliding track.
  • a tooth part is provided at the bottom of the moving jaw.
  • the acting set is disposed in the accommodating tank of the fixing jaw. It contains a shaft and a spring.
  • the shaft has a first end, a second end, and a middle section between the two ends.
  • the part between middle section and the second end is slightly recessed to form a blocking part.
  • the second end and the blocking part of the shaft go into the through hole of the fixing jaw.
  • the blocking part corresponds to the connecting hole.
  • the middle section of the shaft is mounted with a roller that matches with the tooth part at the bottom of the moving jaw.
  • the spring is mounted around the middle section of the shaft, with its two ends urging against the roller and the inner wall of the accommodating tank.
  • the blocking pin is disposed in the connecting hole of the fixing jaw. One end of the blocking pin further connects to the front end of the handle. When the front end of the handle rotates with respect to the fixing jaw, it drives the blocking pin to slide. The other end of the blocking pin thus selectively blocks the blocking part of the shaft.
  • the invention is characterized in that one side of the front end of the handle is formed with a fixing part; that a fixing element is inserted between the bottom of the fixing jaw and the fixing part of the handle; that the fixing element has at least a limiting section, which can lock onto or move away from the fixing part of the handle; and that a swing space forms between the fixing part of the handle and the fixing element when the limiting section moves away from the fixing part.
  • FIG. 1 is a three-dimensional exploded view of the first embodiment of the invention
  • FIG. 2 is a three-dimensional assembly view of the first embodiment
  • FIG. 3 shows the state when the limiting section of the fixing element locks onto the fixing part of the handle in the first embodiment
  • FIG. 4 shows the state when the limiting section of the fixing element moves away from the fixing part of the handle in the first embodiment
  • FIG. 5 shows the state when the limiting section of the fixing element moves away from the fixing part of the handle and the handle swings in the reverse direction in the first embodiment
  • FIG. 6 is a three-dimensional exploded view of the second embodiment of the invention.
  • FIG. 7 is a three-dimensional assembly view of the second embodiment
  • FIG. 8 depicts the A-A cross section of FIG. 7 , showing the state of the fixing element pivotally fixed in the pivotal connection groove of the fixing jaw;
  • FIG. 9 shows the state when the limiting section of the fixing element locks onto the fixing part of the handle in the second embodiment
  • FIG. 10 shows the state when the limiting section of the fixing element moves away from the fixing part of the handle in the second embodiment
  • FIG. 11 shows the state when the limiting section of the fixing element moves away from the fixing part of the handle and the handle swings in the reverse direction in the second embodiment
  • FIG. 12 is a three-dimensional exploded view of the third embodiment of the invention.
  • FIG. 13 shows the state when the limiting section of the fixing element locks onto the fixing part of the handle in the third embodiment
  • FIG. 14 shows the state when the limiting section of the fixing element moves away from the fixing part of the handle in the third embodiment.
  • FIGS. 1 to 4 Please refer to FIGS. 1 to 4 for a first embodiment of the invention.
  • This embodiment provides a swing wrench comprising a fixing jaw 1, a moving jaw 2, an acting set 3, a handle 4, a blocking pin 5, and a fixing element 6.
  • the fixing jaw 1 has an accommodating tank 11.
  • a sliding track 12 is provided above and in communication with the accommodating tank 11.
  • a pivotal groove 13 is formed below the accommodating tank 11, connecting to the exterior.
  • One side of the accommodating tank 11 is formed horizontally with a through hole 14.
  • a connecting hole 15 is formed inside the through hole 14 in the radial direction. The connecting hole 15 further connects with the pivotal groove 13.
  • the moving jaw 2 is disposed in the sliding track 12 to move sideways therein.
  • the moving jaw 2 and the fixing jaw 1 form a holding zone 21 with a variable gap.
  • the bottom of the moving jaw 2 has a tooth part 22.
  • the acting set 3 is disposed in the accommodating tank 11 of the fixing jaw 1. It includes a shaft 31 and a spring 32.
  • the shaft 31 has a first end 311, a second end 312, and a middle section 313 between the two ends 311, 312.
  • the part between the middle section 313 and the second end 312 is slightly recessed to form a blocking part 314.
  • the second end 312 and the blocking part 314 of the shaft 31 go into the through hole 14 of the fixing jaw 1 in such a way that the blocking part 314 corresponds to the connecting hole 15.
  • the middle section 313 of the shaft 31 is mounted with a roller 33 with a screw structure.
  • the roller 33 matches with the tooth part 22 at the bottom of the moving jaw 2, so that the roller 33 can drive the moving jaw 2 to move sideways as it rotates. This adjusts the gap of the holding zone 21.
  • the spring 32 is mounted around the middle section 313 of the shaft 31, with its both end urging the roller 33 and the inner wall of the accommodating tank 11, respectively.
  • the handle 4 has a shaft hole 41 at the front end so as to pivotally connect to the pivotal groove 13 at the bottom of the fixing jaw 1 using a pivotal axis 42.
  • the handle 4 can expand or collapse along an arc line.
  • a concave groove 43 is further formed at the front end of the handle 4 opposite to the pivotal axis 42 for accommodating an elastic object 44 (a spring in this embodiment).
  • the elastic object 44 urges against the inner side of the pivotal groove 13 using its one end.
  • a fixing part 45 of a particular shape is disposed by the concave groove 43 of the handle 4.
  • the opposite side to the pivotal axis 42 at the front end of the handle 4 is inserted with a buckle ring 46.
  • the blocking pin 5 is disposed in a slidable way in the connecting hole 15 of the fixing jaw 1.
  • One end of the blocking pin 5 further connects to the buckle ring 46 on the handle 4.
  • the front end of the handle 4 pivotally rotates with respect to the fixing jaw 1, it drives the blocking pin 5 to slide. Therefore, the other end of the blocking pin 5 can selectively block the stopping part 314 of the shaft 3.
  • the fixing element 6 has a ladder shape and is disposed on one side of the pivotal groove 13 of the fixing jaw 1.
  • the two adjacent planes of the fixing element opposite to the fixing part 45 are formed with a limiting section 64 whose shape corresponds to the fixing part 45 of the handle 4.
  • the end surface of the fixing element 6 has a fixing hole 67.
  • the outer side at the bottom of the fixing jaw 1 is formed with a sliding groove 16 corresponding to the fixing hole 67.
  • a pin 63 goes from the sliding groove 16 outside the pivotal groove 13 into the fixing hole 67 of the fixing element 6.
  • On the end of the pin 63 facing the outer side of the fixing jaw 1 is formed with a pushing part 631. In this way, the user can push the pushing part 631 of the pin 63 so that the fixing element 6 is driven by the pin 63 to slide along the sliding groove 16. It then locks onto or moves away from the fixing part 45 of the handle 4.
  • the handle 4 is restricted by the limiting section 64 not to swing.
  • a swing space 7 for the handle 4 to pivotally rotate with respect to the fixing jaw 1 is formed between the fixing part 45 of the handle 4 and the limiting section 64 of the fixing element 6.
  • FIG. 3 Please refer to FIG. 3 .
  • the user wants to rotate a polygonal bolt 8
  • he or she first uses the roller 33 to adjust the gap of the holding zone 21 for holding the polygonal bolt 8.
  • the blocking pin 5 at the front end of the handle 4 engages with the stopping part 314 of the shaft 31 in the fixing jaw 1.
  • the holding zone 21 keeps a fixed gap.
  • the handle 4 cannot swing with respect to the fixing jaw 1. This is because the front end of the handle 4 is restricted by the limiting section 64 of the fixing element 6.
  • Such a design enables the invention to have the features of a traditional wrench.
  • the stopping pin 5 is driven by the handle 4 to move away from the stopping part 314 of the shaft 31, no longer blocking the shaft 31. Therefore, when the front end of the moving jaw 2 is pushed by the blunt angle of the polygonal bolt 8, the moving jaw 2 and the roller 33 are pushed outward together.
  • the spring 32 inside the accommodating tank 11 is urged by the roller 33 to compress. As a result, the gap of the holding zone 21 is slightly larger for the user to easily swing the handle 4 in reverse.
  • FIG. 6 to 8 Please refer to FIG. 6 to 8 for a second embodiment of the invention. It differs from the first embodiment in that the fixing element 6A has a concave part 61 on its end surface for accommodating an elastic element 62. As shown in FIG. 8 , the fixing element 6A is accommodated on one side of the pivotal groove 13 of the fixing jaw 1. A pin 63A goes from the outer side of the pivotal groove 13 into the concave part 61 of the fixing element 6A. The elastic element 62 urges between the inner wall of the pivotal groove 13 and the concave part 61. The fixing element 6A is thus pivotally disposed in the pivotal groove 13 and opposite to the fixing part 45 of the handle 4.
  • a limiting section 64A with a shape corresponding to that of the fixing part 45 of the handle 4, a slightly recessed moving section 65, and a protruding pushing part 66 are formed around the fixing element 6A.
  • the user can push the pushing part 66 to rotate the fixing element 6A, so that the fixing element 6A selectively uses its limiting section 64A or moving section 65 to face the fixing part 45 o the handle 4.
  • the fixing part 45 of the handle 4 has a curved recessing surface, while the limiting section 64A has a curved protruding surface. Therefore, when the fixing part 45 of the handle 4 and the limiting section 64A of the fixing element 6A are engaged, the contact between the two curved surfaces provides the required locking effect. Such a configuration can effectively resist the torque produced by the swing of the handle 4.
  • the limiting section 64A of the fixing element 6A faces the fixing part 45 of the handle 4, they are engaged so that the handle 4 is restricted by the limiting section 64A not to swing. Moreover, when the position of the fixing element 6A is adjusted so that the limiting section 64A and the fixing part 45 of the handle 4 move away from each other and the moving section 65 faces the fixing part 45 of the handle 4, a swing space 7A for the handle 4 to swing with respect to the fixing jaw 1 is formed between the fixing part 45 of the handle 4 and the moving section 65 of the fixing element 6A.
  • a swing space 7A for the handle 4 to swing with respect to the fixing jaw 1 is formed between the fixing part 45 of the handle 4 and the moving section 65 of the fixing element 6A. Therefore, when the user uses the pivotal axis 42 at the front end of the handle 4 as a pivot and rotates the wrench 4 in reverse, as shown in FIG. 11 , the handle 4 can swing toward the swing space 7A.
  • the swing wrench in this embodiment achieves the feature of locking or unlocking a polygonal bolt in a continuous way.
  • FIG. 12 shows a third embodiment of the invention. It differs from the above-mentioned two embodiments in that the limiting section 64B and the moving section 65B are formed around the fixing element 6B.
  • One end of the pin 63B goes from the outer side of the pivotal groove 13 into the concave part 61B of the fixing element 6B, thereby connecting to the fixing element 6B.
  • the other end of the pin 63B bends outward to form an exerting part 631 B.
  • the fixing element 6B can selectively use its limiting section 64B or the moving section 65B to face the fixing part 45 of the handle 4.
  • the disclosed swing wrench achieves the goal of having both traditional and one-way driving features by adjusting the position of the fixing element 6. Not only is it easy to operate, its simple structure also makes the assembly and machining relatively convenient.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Switches With Compound Operations (AREA)

Claims (11)

  1. Clé pivotante comprenant une mâchoire de fixation (1), une mâchoire mobile (2), un ensemble d'actionnement (3), un manche (4) fixé à pivotement au fond de la mâchoire de fixation (1), et un doigt d'arrêt (5), la mâchoire de fixation (1) ayant un logement de réception (11), un rail de coulissement (12) étant disposé au- dessus du logement de réception (11) et communiquant avec le logement de réception (11), un côté du logement de réception (11) étant pourvu horizontalement d'un trou traversant (14), un trou de liaison (15) étant formé dans la direction radiale à l'intérieur du trou traversant (14), la mâchoire mobile (2) étant disposée dans le rail de coulissement (12) de la mâchoire de fixation (1) pour coulisser latéralement dans celui-ci, une partie dentée (22) étant formée au fond de la mâchoire mobile (2), l'ensemble d'actionnement (3) étant disposé dans le logement de réception (11) de la mâchoire de fixation (1) et comportant un axe (31) et un ressort (32), l'axe (31) ayant une première extrémité (311), une seconde extrémité (312) et une section médiane (313) entre la première extrémité (311) et la seconde extrémité (312), la partie entre la section médiane (313) et la seconde extrémité (312) étant légèrement creusée pour former un moyen d'arrêt (314), la seconde extrémité (312) de l'axe (31) et le moyen d'arrêt (314) étant insérés dans le trou traversant (14) de la mâchoire de fixation (1), le moyen d'arrêt (314) correspondant au trou de liaison (15), un galet (33) étant monté sur la section médiane (313) de l'axe (31) et coopérant avec la partie dentée (22) au fond de la mâchoire mobile (2), le ressort (32) étant monté autour de la section médiane (313) de l'axe (31), les deux extrémités appuyant contre le galet et la paroi intérieure du logement de réception (11), le doigt d'arrêt (5) étant disposé dans le trou de liaison (15) de la mâchoire de fixation (1) avec une première extrémité reliée à l'extrémité avant du manche (4) de façon que, lorsque l'extrémité avant du manche (4) tourne par rapport à la mâchoire de fixation (1), l'extrémité avant du manche (4) fasse coulisser le doigt d'arrêt (5), ce qui amène l'autre extrémité du doigt d'arrêt (5) à bloquer sélectivement le moyen d'arrêt (314) de l'axe (31), caractérisée en ce que :
    un côté à l'extrémité avant du manche 4 est pourvu d'un moyen de fixation (45), un élément de fixation (6) est disposé entre le fond de la mâchoire de fixation (1) et le moyen de fixation (45) du manche (45), l'élément de fixation (6) a au moins une section de limitation (64) destinée à venir contre ou à s'écarter du moyen de fixation (45) du manche (4), et, lorsque la section de limitation (4) s'écarte du moyen de fixation (45), un espace de pivotement 7 ; 7a ; 7b) se forme entre le moyen de fixation (45) du manche (4) et l'élément de fixation (6).
  2. Clé pivotante selon la revendication 1, dans laquelle une rainure de pivotement (13) est formée au fond de la mâchoire de fixation (1), l'extrémité avant du manche (4) est disposée à pivotement dans la rainure de pivotement, l'élément de fixation (6) est reçu d'un côté de la rainure de pivotement (13), un trou de fixation (67) est formé dans la surface d'extrémité de l'élément de fixation (6), une rainure de coulissement (16) est formée à l'extérieur du fond de la mâchoire de fixation (1) en regard du trou de fixation (67), un doigt (63) part de la rainure de coulissement (16) hors de la rainure de pivotement (13) et entre dans le trou de fixation (67) de l'élément de fixation (6), et l'élément de fixation (6) est entraîné le long de la rainure de coulissement (16) par le doigt (13) pour venir contre ou s'écarter du moyen de fixation (45) du manche (4).
  3. Clé pivotante selon la revendication 2, dans laquelle les deux plans adjacents de l'élément de fixation (6) en regard du moyen de fixation (45) sont pourvus d'une section de limitation (64) dont la forme épouse celle du moyen de fixation (45) du manche (4).
  4. Clé pivotante selon la revendication 2, dans laquelle un moyen de poussée (631) est formé sur l'extérieur du doigt (63) en face de la mâchoire de fixation (1).
  5. Clé pivotante selon la revendication 1, dans laquelle l'extrémité avant du manche (4) a un trou (41) pour axe, un pivot (42) est inséré à pivotement dans le fond de la mâchoire de fixation (1) afin que le manche (4) pivote suivant une courbe en arc afin de sortir ou de rentrer.
  6. Clé pivotante selon la revendication 5, dans laquelle une rainure concave (43) est formée du côté de l'extrémité avant du manche (4) en regard du pivot (42) pour recevoir un objet élastique (44) qui appuie par sa première extrémité contre le fond de la mâchoire de fixation (1).
  7. Clé pivotante selon la revendication 1, dans laquelle une rainure de pivotement (13) est formée au fond de la mâchoire de fixation (1), l'extrémité avant du manche (4) est disposée à pivotement dans la rainure de pivotement (13), l'élément de fixation (6A ; 6B) est reçu d'un côté de la rainure de pivotement (13), une partie concave (61) est formée sur la surface d'extrémité de l'élément de fixation (6) pour recevoir un élément élastique (62), un doigt (63A ; 63B) sort de la rainure de pivotement (13) pour entrer dans la partie concave (61A ; 61B) de l'élément de fixation (6), l'élément élastique (62) appuie contre la paroi intérieure de la rainure de pivotement (13) et la partie concave (61) de façon que l'élément de fixation (6) soit disposé à pivotement dans la rainure de pivotement (13) et en regard du moyen de fixation (45) du manche (4).
  8. Clé pivotante selon la revendication 7, dans laquelle la section de limitation (64), une section de déplacement (65) et un moyen de poussée (66) sont formés autour de l'élément de fixation (6A ; 6B) de façon que l'utilisateur pousse sur le moyen de poussée (66) pour amener la section de limitation (64A ; 64B) ou la section de déplacement (65) à se placer en regard du moyen de fixation (45) du manche (4).
  9. Clé pivotante selon la revendication 8, dans laquelle le moyen de fixation (45) et la section de limitation (64A) ont des formes correspondantes, le moyen de fixation (45) ayant une surface creusée courbe et la section de limitation (64A) ayant une surface saillante courbe, de façon que, lorsque le moyen de fixation (45) et la section de limitation (64A) coopèrent, les deux surfaces courbes limitent conjointement le pivotement du manche (4).
  10. Clé pivotante selon la revendication 8, dans laquelle la section de déplacement (65) de l'élément de fixation (6) est creusée et, lorsque la section de déplacement (65) de l'élément de fixation (6) est en regard du moyen de fixation (45) du manche (4), un espace de pivotement (7B) se forme entre le moyen de fixation (45) et l'élément de fixation (6) pour que le manche (4) pivote par rapport à la mâchoire de fixation (1).
  11. Clé pivotante selon la revendication 1, dans laquelle une rainure de pivotement (13) est formée au fond de la mâchoire de fixation (1), l'extrémité avant du manche (4) est disposée à pivotement dans la rainure de pivotement (13), l'élément de fixation (6) est reçu d'un côté de la rainure de pivotement (13), une partie concave (61) est formée sur la surface d'extrémité de l'élément de fixation (6) pour recevoir un élément élastique (62), un doigt (63) sort de la rainure de pivotement (13) pour entrer dans la partie concave (61) de l'élément de fixation (6), l'élément élastique (62) appuie contre la paroi intérieure de la rainure de pivotement (13) et la partie concave (61), et une première extrémité du doigt (63) est reliée à l'élément de fixation (6) tandis que son autre extrémité s'incurve vers l'extérieur pour former un moyen de poussée (631).
EP08019778A 2008-11-12 2008-11-12 Clé pivotante Not-in-force EP2186604B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602008006097T DE602008006097D1 (de) 2008-11-12 2008-11-12 Schwenkschlüssel
AT08019778T ATE504397T1 (de) 2008-11-12 2008-11-12 Schwenkschlüssel
EP08019778A EP2186604B1 (fr) 2008-11-12 2008-11-12 Clé pivotante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08019778A EP2186604B1 (fr) 2008-11-12 2008-11-12 Clé pivotante

Publications (2)

Publication Number Publication Date
EP2186604A1 EP2186604A1 (fr) 2010-05-19
EP2186604B1 true EP2186604B1 (fr) 2011-04-06

Family

ID=40568547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08019778A Not-in-force EP2186604B1 (fr) 2008-11-12 2008-11-12 Clé pivotante

Country Status (3)

Country Link
EP (1) EP2186604B1 (fr)
AT (1) ATE504397T1 (fr)
DE (1) DE602008006097D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837280B (zh) * 2011-06-24 2015-04-08 志拓有限公司 具有棘动功能的活动扳手
EP2862675A1 (fr) * 2013-10-16 2015-04-22 Proxene Tools Co., Ltd. Clé à main réversible
TWM491557U (zh) * 2014-09-04 2014-12-11 wei-ming Lai 活動扳手結構
CN105965427B (zh) * 2016-07-06 2018-06-22 于志松 一种自夹紧活扳手
CN107775577B (zh) * 2017-12-08 2024-01-12 河北瑞鹤医疗器械有限公司 棘轮扭力扳手
CN114074303B (zh) * 2020-08-18 2023-08-22 吴明杰 开口活动扳手

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB157629A (en) * 1919-12-13 1921-01-27 Michael Isaac Ginsburg Improvements in slip jaw wrenches
US2970502A (en) * 1958-11-17 1961-02-07 Nordgren Simon Nils Slidable side jaw wrench
SE374683B (fr) * 1973-06-28 1975-03-17 S N Nordgren
US6418819B1 (en) * 2001-11-09 2002-07-16 King Lugger Inc. Wrench
GB2438598B (en) * 2006-06-02 2008-07-16 Ping Wen Huang Adjustable wrench

Also Published As

Publication number Publication date
ATE504397T1 (de) 2011-04-15
DE602008006097D1 (de) 2011-05-19
EP2186604A1 (fr) 2010-05-19

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