EP0908274A1 - Prolongement pour douilles - Google Patents

Prolongement pour douilles Download PDF

Info

Publication number
EP0908274A1
EP0908274A1 EP98117961A EP98117961A EP0908274A1 EP 0908274 A1 EP0908274 A1 EP 0908274A1 EP 98117961 A EP98117961 A EP 98117961A EP 98117961 A EP98117961 A EP 98117961A EP 0908274 A1 EP0908274 A1 EP 0908274A1
Authority
EP
European Patent Office
Prior art keywords
pressure transmission
transmission element
insert
socket
plug
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.)
Granted
Application number
EP98117961A
Other languages
German (de)
English (en)
Other versions
EP0908274B1 (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 on one and a correspondingly designed receiving part on other end and with a joint between the receiving part and the insert part, the plug-in part with one of one of the key surfaces emerging locking element is provided.
  • 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 as a rule, this is the receiving part of the socket wrench insert.
  • Snap the locking element into the recess should be too easy Separation of the two tool parts should be prevented, these should only be under Application of a certain axial force can be connected and later released again be. Nevertheless, unintentional loosening can often occur, for example if the socket wrench extension is locked with one Socket wrench insert slightly tilted by one screw or mother must be removed. This can be between socket wrench insert and screw or nut result in static friction forces that are greater than the locking forces of the spring-loaded locking element.
  • the invention has for its object to provide a socket wrench extension with improved hold of the inserted socket wrench insert.
  • the inventive design of the socket wrench extension mentioned above is characterized by an axially guided in the insert Pressure transmission element, one end of which is cone-shaped or button-shaped designed the pressure actuation of the pressure transmission element is used and its other end is part of a mechanism for implementing one in the direction of the plug-in axial movement of the pressure transmission element in an outward movement of the locking element.
  • the socket wrench extension according to the invention is with a joint be provided between the insert part and the receiving part, in particular one universal joint swiveling.
  • a joint provided socket wrench extension is the extension effect only Secondarily aimed, it is primarily about providing a bottom an angled socket connection for working in places, that cannot be reached in the longitudinal direction.
  • a universal joint viewed as a socket wrench extension in the sense of this invention become.
  • 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 slope is, which rests on the radially guided locking element.
  • a Spring suggested which one towards the tenon or key end exerts directed pressure force on the pressure transmission element.
  • the spring is supported with one end on the plug-in part and with their other end on the pressure transmission element.
  • the Socket wrench extension with a universal joint between the receiving part and plug-in part which has any angle between 0 and 90 ° between the female part and the male part.
  • the pivotally mounted on the insert Element of the joint preferably one with respect to the axis of rotation Eccentrically provided pressure transmission surface on which the pin or button-shaped end of the pressure transmission element rests, the sets the largest width of the eccentric when the receiving part and insert part are arranged in a straight line to each other.
  • 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 and u. a. a cardan element 16, which receiving part 1 and insert part 2 hingedly connected.
  • the square surfaces of receiving part 1 and Insert 2 correspond to the internationally customary and standardized Dimensions for socket wrench systems.
  • the insert part 2 is provided with a locking element 4 provided in the form of a ball.
  • 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 click into place. 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Connecting Device With Holders (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Insulated Conductors (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Telephonic Communication Services (AREA)
  • General Details Of Gearings (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Fuel-Injection Apparatus (AREA)
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
DE1997144865 DE19744865C2 (de) 1997-10-10 1997-10-10 Steckschlüsselverlängerung
DE19744865 1997-10-10

Publications (2)

Publication Number Publication Date
EP0908274A1 true EP0908274A1 (fr) 1999-04-14
EP0908274B1 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) JP3412083B2 (fr)
AT (2) ATE215425T1 (fr)
CA (2) CA2249794A1 (fr)
DE (3) DE19758493C2 (fr)
DK (2) DK0908274T3 (fr)
ES (2) ES2172848T3 (fr)
PT (2) PT908274E (fr)
SI (2) SI0908274T1 (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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987334A (en) * 1959-06-22 1961-06-06 Apex Machine & Tool Company Tool holders
US4733584A (en) * 1986-05-12 1988-03-29 Richard Karge Socket wrench extension
DE8909645U1 (de) * 1989-08-11 1990-12-06 Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid Aufsteckwerkzeug
US5291809A (en) * 1992-03-02 1994-03-08 Fox Iii Leonard J Locking adapter for socket wrench
WO1995008720A1 (fr) * 1993-09-22 1995-03-30 Roberts Tool International (Usa), Inc. Joint universel pour outils de transmission de couple
EP0755757A1 (fr) * 1995-07-25 1997-01-29 Hans Mesenhöller Outil à visser

Family Cites Families (9)

* 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
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
JPH03162092A (ja) 1989-11-20 1991-07-12 Matsushita Electric Ind Co Ltd 消磁コイル固定装置
US5289745A (en) * 1993-04-06 1994-03-01 Beardsley Gilbert D Socket wrench extension with lock

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987334A (en) * 1959-06-22 1961-06-06 Apex Machine & Tool Company Tool holders
US4733584A (en) * 1986-05-12 1988-03-29 Richard Karge Socket wrench extension
DE8909645U1 (de) * 1989-08-11 1990-12-06 Werkzeugfabrik G. Adolf Lemp & Co, 5630 Remscheid Aufsteckwerkzeug
US5291809A (en) * 1992-03-02 1994-03-08 Fox Iii Leonard J Locking adapter for socket wrench
WO1995008720A1 (fr) * 1993-09-22 1995-03-30 Roberts Tool International (Usa), Inc. Joint universel pour outils de transmission de couple
EP0755757A1 (fr) * 1995-07-25 1997-01-29 Hans Mesenhöller Outil à visser

Also Published As

Publication number Publication date
DK0908275T3 (da) 2002-05-27
US6170365B1 (en) 2001-01-09
EP0908275A1 (fr) 1999-04-14
ATE215425T1 (de) 2002-04-15
JP3381061B2 (ja) 2003-02-24
DE19758493C2 (de) 2000-01-27
DE19758493A1 (de) 1999-04-22
US6119559A (en) 2000-09-19
PT908275E (pt) 2002-07-31
PT908274E (pt) 2002-09-30
TW413652B (en) 2000-12-01
ATE213195T1 (de) 2002-02-15
TW413653B (en) 2000-12-01
ES2175583T3 (es) 2002-11-16
EP0908275B1 (fr) 2002-02-13
SI0908275T1 (en) 2002-08-31
EP0908274B1 (fr) 2002-04-03
DK0908274T3 (da) 2002-07-29
JP3412083B2 (ja) 2003-06-03
DE59803055D1 (de) 2002-03-21
ES2172848T3 (es) 2002-10-01
DE59803598D1 (de) 2002-05-08
JPH11221776A (ja) 1999-08-17
JPH11226877A (ja) 1999-08-24
SI0908274T1 (en) 2002-08-31
CA2249890A1 (fr) 1999-04-10
CA2249794A1 (fr) 1999-04-10

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