EP0908274B1 - Prolongement pour douilles - Google Patents

Prolongement pour douilles Download PDF

Info

Publication number
EP0908274B1
EP0908274B1 EP98117961A EP98117961A EP0908274B1 EP 0908274 B1 EP0908274 B1 EP 0908274B1 EP 98117961 A EP98117961 A EP 98117961A EP 98117961 A EP98117961 A EP 98117961A EP 0908274 B1 EP0908274 B1 EP 0908274B1
Authority
EP
European Patent Office
Prior art keywords
pressure
insertion part
transmitting element
receiving part
pressure transmission
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.)
Expired - Lifetime
Application number
EP98117961A
Other languages
German (de)
English (en)
Other versions
EP0908274A1 (fr
Inventor
Hermann J. Zerver
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.)
Hazet Werk Hermann Zerver GmbH and Co KG
Original Assignee
Hazet Werk Hermann Zerver GmbH and Co KG
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
Priority claimed from DE1997144865 external-priority patent/DE19744865C2/de
Application filed by Hazet Werk Hermann Zerver GmbH and Co KG filed Critical Hazet Werk Hermann Zerver GmbH and Co KG
Priority to SI9830151T priority Critical patent/SI0908274T1/xx
Publication of EP0908274A1 publication Critical patent/EP0908274A1/fr
Application granted granted Critical
Publication of EP0908274B1 publication Critical patent/EP0908274B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool
    • 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
    • B25B23/0014—Screwdriver- or wrench-heads provided with cardan joints or the like

Definitions

  • the invention relates to a socket wrench extension with a polygonal, Insert part with wrench flats on one and one accordingly designed receiving part at the other end and with a joint between Receiving part and plug-in part, the plug-in part with one of the Key surfaces partially protruding locking element is provided with an axially guided in the plug-in pressure transmission element, one of which The end of the button or button-shaped design of the push button Pressure transmission element is used and the other end part of one Mechanism to implement a directed towards the male part Axial movement of the pressure transmission element in an outward movement of the Locking element is.
  • the task of the mentioned locking element is, under spring tension in a appropriately designed recess of that receiving part to snap into which insert part of the socket wrench extension is used. In the As a rule, this is the receiving part of the socket wrench insert.
  • Locking the locking element into the recess should make it too easy to separate of the two tool parts should be prevented, these should only be used a certain axial force can be connected and later released again. nevertheless unintentional loosening can often occur, for example if the Socket wrench extension with a socket wrench insert locked in slightly tilted alignment can be removed from a screw or nut got to.
  • a socket wrench extension with the features mentioned above is out WO 95/08720 A1 known.
  • the pressure transmission element is included an actuating element in the form of a pivot lever or a Slider connected, using the pressure transmission element from a locking position to an unlocking point or from one less can be transferred into a more secure position for the spherical locking element is. It is therefore necessary to actuate the actuating element separately, to bring about the desired position of the locking element.
  • Socket wrench extensions for example in car repair shops, is any additional manual handling when locking and unlocking the Locking element unsatisfactory.
  • the invention has for its object to provide a socket wrench extension with improved hold of the inserted socket wrench insert and comparatively simple handling.
  • a pivotally mounted element of the joint on the plug-in part has an eccentric pressure transmission surface with respect to the axis of rotation, against which the pin-shaped or button-shaped end of the pressure transmission element rests, the sets the largest width of the eccentric when the receiving part and the insert part are arranged in a straight alignment to one another.
  • the socket wrench extension according to the invention is with a joint between Insert part and receiving part be provided, in particular one on all sides swiveling universal joint.
  • Socket wrench extension is only secondary to the extension effect, primarily it is about providing an angle-attachable Socket wrench connection for working in places that are not in the longitudinal direction are reachable.
  • a universal joint is said to be Socket extension can be viewed in the sense of this invention.
  • the eccentric design of the joint allows the Insert part with the receiving part of a key attachment by simple Swiveling the extension.
  • the socket wrench extension according to the invention is essential Improved hold of the inserted socket wrench insert on the socket wrench extension achieved.
  • a pressure transmission element is guided, one end of which is used as a pressure transmission element serves and the other end part of a mechanism with which the movement of the pressure transmission element in a Outward movement of the locking element is transferred.
  • the other end of the pressure transmission element is provided with a bevel that abuts the radially guided locking element.
  • a Spring proposed, which one directed towards the pin or key end Exerts pressure force on the pressure transmission element is preferably supported the spring with one end on the male part and the other end on the pressure transmission element.
  • the Socket wrench extension with a universal joint between the receiving part and Insert part that has any angle between 0 and 90 ° Receiving part and insert part enables.
  • the single figure shows a socket wrench extension in a sectional view in the form of a universal joint.
  • the universal joint connection that can be used as part of a socket wrench system consists of a receiving part 1 with a molded therein Inner square, a plug-in part 2 with an outer square formed thereon as well u. a. a gimbal element 16, which receiving part 1 and insert part 2 articulated connects with each other.
  • the square surfaces of receiving part 1 and insert part 2 correspond to the internationally customary and standardized dimensions for socket wrench systems.
  • the plug-in part 2 is provided with a locking element 4 in Shape of a sphere.
  • the locking element 4 When inserting the outer square 5 in one Inner square, as he z. B. is provided in the receiving part 1, the locking element 4 initially pushed back in its radial bore 6 and can then in a recess in the outer square provided for this purpose engage. Such a recess is in the receiving part 1 by a corresponding hole 7 realized.
  • the spherical locking element is pushed back 4 in the radial bore 6 against the force of an arranged there Feather. This is also the force with which the outer square 5 is held in an appropriate square, depending on the spring force.
  • spherical locking element 4 not directly a spring, but a Pressure transmission element 8 in the form of a short rod or a pin on.
  • the pressure transmission element 8 is in a longitudinal bore 9 of the Inserted part 2 out and has at one end a slope 10, which rests on the inside of the spherical locking element 4.
  • the other End 14 is shaped like a button, and its back serves as a contact surface for a spring acting on pressure 11.
  • the spring 11 is arranged so that it exerts a force on the pressure transmission element 8, which endeavors to the pressure transmission element 8 away from the insertion part 2 and in the direction to move the gimbal 16.
  • the cardan element 16 which has a first bolt 17 with the plug-in part 2, and articulated with the receiving part 1 via a second bolt 18 connected, has one with respect to the axis of rotation 19 of the bolt 17 an eccentric pressure transmission surface 20.
  • the pressure transfer area 20 lies on the button-shaped end 14 of the pressure transmission element 8, whereby, as the drawing shows, the eccentrically designed pressure transmission surface 20 there the greatest distance from the axis of rotation 19, where the button-shaped end 14 at a straight mutual alignment of receiving part 1 and insert part 2 is present.
  • the eccentrically designed contour of the pressure transmission surface 20 is so chosen that the release of the locking element 4 takes place only when, as shown in the drawing, receiving part and insert part strong be angled towards each other.

Claims (5)

  1. Prolongateur de clé à douille comprenant, à l'une de ses extrémités, une partie insérable polygonale (2) pourvue de pans de clé (21) et, à son autre extrémité, une partie réceptrice (1) de conception correspondante, et comprenant une articulation entre la partie réceptrice (1) et la partie insérable (2), la partie insérable (2) étant munie d'un élément d'arrêt (4) sortant partiellement de l'un des pans de clé (21), et d'un élément de transmission de pression (8) qui est guidé axialement dans la partie insérable (2), dont l'une des extrémités (14) configurée en tourillon ou en touche sert à la mise en pression de l'élément de transmission de pression (8) et dont l'autre extrémité fait partie d'un mécanisme pour convertir un mouvement axial de l'élément de transmission de pression (8) orienté en direction de la partie insérable (2) en un mouvement sortant de l'élément d'arrêt (4), caractérisé en ce qu'un élément (16) de l'articulation monté pivotant sur la partie insérable (2) comporte une surface de transmission de pression (20) qui est pourvue d'un excentrique par rapport à l'axe de rotation (19) et contre laquelle l'extrémité en forme de tourillon ou de touche (14) de l'élément de transmission de pression (8) est appliquée, la plus grande dimension de l'excentrique étant sollicitée lorsque la partie réceptrice (1) et la partie insérable (2) se trouvent en alignement rectiligne l'une par rapport à l'autre.
  2. Prolongateur de clé à douille selon la revendication 1, caractérisé en ce que l'autre extrémité de l'élément de transmission de pression (8) est pourvue d'une partie biseautée (10) qui est appliquée contre l'élément d'arrêt à guidage radial (4).
  3. Prolongateur de clé à douille selon la revendication 1 ou 2, caractérisé par un ressort (11) qui exerce sur l'élément de transmission de pression (8) une force de compression orientée en direction de l'extrémité en forme de tourillon ou de touche (14).
  4. Prolongateur de clé à douille selon la revendication 3, caractérisé en ce que le ressort (11) prend appui, par l'une de ses extrémités, sur la partie insérable (2) et, par son autre extrémité, sur l'élément de transmission de pression (8).
  5. Prolongateur de clé à douille selon une des revendications 1 à 4, caractérisé par un joint de cardan entre la partie réceptrice (1) et la partie insérable (2).
EP98117961A 1997-10-10 1998-09-22 Prolongement pour douilles Expired - Lifetime EP0908274B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830151T SI0908274T1 (en) 1997-10-10 1998-09-22 Socket prolongation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19744865 1997-10-10
DE1997144865 DE19744865C2 (de) 1997-10-10 1997-10-10 Steckschlüsselverlängerung

Publications (2)

Publication Number Publication Date
EP0908274A1 EP0908274A1 (fr) 1999-04-14
EP0908274B1 true EP0908274B1 (fr) 2002-04-03

Family

ID=7845197

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98117961A Expired - Lifetime EP0908274B1 (fr) 1997-10-10 1998-09-22 Prolongement pour douilles
EP98117962A Expired - Lifetime EP0908275B1 (fr) 1997-10-10 1998-09-22 Prolongement pour douilles

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98117962A Expired - Lifetime EP0908275B1 (fr) 1997-10-10 1998-09-22 Prolongement pour douilles

Country Status (11)

Country Link
US (2) US6119559A (fr)
EP (2) EP0908274B1 (fr)
JP (2) JP3381061B2 (fr)
AT (2) ATE215425T1 (fr)
CA (2) CA2249794A1 (fr)
DE (3) DE19758493C2 (fr)
DK (2) DK0908274T3 (fr)
ES (2) ES2175583T3 (fr)
PT (2) PT908274E (fr)
SI (2) SI0908275T1 (fr)
TW (2) TW413653B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20209159U1 (de) 2002-06-12 2002-08-29 Wille Gmbh & Co Schnellsicherung für Verlängerungen von Steckwerkzeugen
US6779423B2 (en) 2002-07-12 2004-08-24 Honda Motor Co., Ltd. Kickoff socket
US6796190B2 (en) * 2003-02-19 2004-09-28 Snap-On Incorporated Electronic torque wrench with flexible head
US6874392B1 (en) * 2003-07-25 2005-04-05 Keng Hao Wu Connector of hand tool
US7114705B2 (en) * 2004-03-30 2006-10-03 Steiner Donald J Grab-activated self-locking winch handle
US20050229752A1 (en) * 2004-04-20 2005-10-20 Nickipuck Michael F Low profile locking socket wrench universal joint
US7185568B1 (en) * 2005-08-24 2007-03-06 Frank Vance Adjustable socket wrench extension
US7997169B1 (en) 2006-04-13 2011-08-16 Hack Timothy L Housed extension bar
US8186248B1 (en) 2009-05-01 2012-05-29 Daniel Considine High speed extension breaker bar
US9352455B2 (en) 2011-09-20 2016-05-31 Milwaukee Electric Tool Corporation Fastener driver and extension
TW201350292A (zh) * 2012-06-14 2013-12-16 Hong Ann Tool Ind Co Ltd 具有遠端控制功能的工具接桿
US20150000475A1 (en) * 2013-06-28 2015-01-01 Thorsen Tools, Inc. Impact socket adapter

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1651361A (en) * 1923-08-02 1927-12-06 Ayotte Joseph Rene Interchangeable wrench or other tool holder
DE1170336B (de) * 1957-05-03 1964-05-14 Carl Karrer App U Behaelterbau Spannzwinge
US2987334A (en) * 1959-06-22 1961-06-06 Apex Machine & Tool Company Tool holders
DE2118858A1 (de) * 1971-04-19 1972-11-09 Flaig, Christian, 7207 Aldingen Gewindestift-Schrauber
DE2848243A1 (de) * 1978-11-07 1980-05-14 Hilti Ag Setzwerkzeug zum eindrehen einer gewindestange in ein bohrloch
US4399722A (en) * 1981-03-06 1983-08-23 Sardo Jr Vincent Socket wrench including quick-release adaptor
DE3214867A1 (de) * 1982-04-22 1983-10-27 Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid Knarre mit im bedienungshebel angeordnetem richtungsgesperre
US4703677A (en) * 1986-05-01 1987-11-03 Rossini James L Variable length socket extension and screwdriver
US4733584A (en) * 1986-05-12 1988-03-29 Richard Karge Socket wrench extension
DE8909645U1 (fr) * 1989-08-11 1990-12-06 Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid, De
JPH03162092A (ja) 1989-11-20 1991-07-12 Matsushita Electric Ind Co Ltd 消磁コイル固定装置
US5291809A (en) * 1992-03-02 1994-03-08 Fox Iii Leonard J Locking adapter for socket wrench
US5289745A (en) * 1993-04-06 1994-03-01 Beardsley Gilbert D Socket wrench extension with lock
US5433548A (en) * 1993-09-22 1995-07-18 Roberts Tool International (Usa), Inc. Universal joint for torque transmitting tools
DE19526968A1 (de) * 1995-07-25 1997-01-30 Hans Mesenhoeller Schraubwerkzeug

Also Published As

Publication number Publication date
PT908274E (pt) 2002-09-30
EP0908275B1 (fr) 2002-02-13
ES2175583T3 (es) 2002-11-16
JP3412083B2 (ja) 2003-06-03
JPH11226877A (ja) 1999-08-24
CA2249890A1 (fr) 1999-04-10
SI0908275T1 (en) 2002-08-31
ATE213195T1 (de) 2002-02-15
DE19758493C2 (de) 2000-01-27
JPH11221776A (ja) 1999-08-17
TW413653B (en) 2000-12-01
DE59803598D1 (de) 2002-05-08
DK0908275T3 (da) 2002-05-27
DE19758493A1 (de) 1999-04-22
CA2249794A1 (fr) 1999-04-10
TW413652B (en) 2000-12-01
ES2172848T3 (es) 2002-10-01
EP0908274A1 (fr) 1999-04-14
DE59803055D1 (de) 2002-03-21
PT908275E (pt) 2002-07-31
DK0908274T3 (da) 2002-07-29
US6170365B1 (en) 2001-01-09
ATE215425T1 (de) 2002-04-15
US6119559A (en) 2000-09-19
SI0908274T1 (en) 2002-08-31
EP0908275A1 (fr) 1999-04-14
JP3381061B2 (ja) 2003-02-24

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