EP0908275B1 - Steckschlüsselverlängerung - Google Patents

Steckschlüsselverlängerung Download PDF

Info

Publication number
EP0908275B1
EP0908275B1 EP98117962A EP98117962A EP0908275B1 EP 0908275 B1 EP0908275 B1 EP 0908275B1 EP 98117962 A EP98117962 A EP 98117962A EP 98117962 A EP98117962 A EP 98117962A EP 0908275 B1 EP0908275 B1 EP 0908275B1
Authority
EP
European Patent Office
Prior art keywords
pressure
transmitting element
pressure transmission
transmission element
receiving part
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
EP98117962A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0908275A1 (de
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 SI9830169T priority Critical patent/SI0908275T1/xx
Publication of EP0908275A1 publication Critical patent/EP0908275A1/de
Application granted granted Critical
Publication of EP0908275B1 publication Critical patent/EP0908275B1/de
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 the other end, the male part with one of one of the key faces partially emerging locking element is provided, and wherein a 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 the other end of which is part of a mechanism for implementing a Direction of the plug-in axial movement of the Pressure transmission element in an outward movement of the Locking element is guided axially in the plug-in part.
  • 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 his. 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.
  • you can choose between Socket wrench insert and screw or nut result in static friction forces, which are greater than the locking forces of the spring-loaded locking element.
  • a generic socket wrench extension is from US 5,289,745 known.
  • This socket wrench extension is a one-piece component formed, depending on the embodiment, a centric or eccentric arranged longitudinal bore for receiving an actuating rod.
  • the longitudinal hole is either as a through hole or as Blind hole trained. While the former has an end cap on the Front end of the polygonal insertion section requires is at the latter one held over a washer and a snap ring Stop ring in a bore adjoining the receiving section provided to effect the axial fixation of the actuating rod.
  • a disadvantage of the known socket wrench extension is that the axial The actuation rod is guided through the longitudinal bore without exception, so that high demands on the manufacturing tolerance to achieve a Precise guidance is required, resulting in costly manufacturing leads.
  • Another disadvantage of the known socket wrench extension is that either with the locking element in a transverse bore in the insertion section a locking screw or an end cap to prevent it falling out is. This has a high number of components and thus a cost-intensive production and assembly result.
  • the invention has for its object to develop a socket wrench extension in such a way that high functional precision can be achieved with simple assembly and reduced manufacturing costs.
  • Such a socket wrench extension enables one simple and quick installation, which consequently is inexpensive Manufacturing goes hand in hand.
  • the reason for this is that the locking element in front Assemble the socket wrench extension into the insert by the for allows the pressure transmission element to insert the provided bore and thus after insertion of the pressure transmission element without additional Fuse elements are held in the insert part.
  • Receiving part, insert part and tube have been connected to each other the pressure transmission element through the through hole for the Guide bushing are used, especially because the insertion or press-in diameter of the guide bushing is larger than that maximum diameter of the pressure transmission element.
  • This Pressure transmission element has an axial guide and is in the axial direction fixed.
  • the guide bushing can be specially made for axial guidance suitable material with a low coefficient of friction.
  • the socket wrench extension according to the invention is a very good one Hold of the inserted socket wrench on the Socket extension achieved.
  • the pressure transmission element In the insert part of the Socket wrench extension is the pressure transmission element, whose one end transmits the pressure and the other end is part of one Mechanism is to move the pressure transmission element into a To transfer outward movement of the locking element.
  • the other end of the Pressure transmission element is provided with a bevel, which on the radial guided locking element is present.
  • the invention proposed a spring, which one on the pin or Pushing force directed towards the end of the button on the pressure transmission element exercises.
  • the spring is preferably supported with one end the male part and with their other on the pressure transmission element from.
  • the extension that can be used as part of a socket wrench system consists of a receiving part 1 with a molded therein Internal square, a plug-in part 2 with a key surface 21 thereon trained square 5 and a tube 3, which receiving part 1 and insert part 2 rigidly interconnected.
  • the key faces of Receiving part 1 and insert part 2 correspond to the internationally customary and standardized dimensions for socket wrench systems.
  • the insert part 2 is in one of the key surfaces 21 provided with a locking element 4 in the form of a ball.
  • the locking element 4 in its Radial bore 6 is initially pushed back and can then in a snap the recess provided for this into the outer square.
  • a such recess is in the receiving part 1 by a corresponding Hole 7 realized.
  • the spherical is pressed back Locking element 4 in the radial bore 6 against the force of one there arranged spring. This is also the force with which the Outside square 5 is held in a corresponding square, by dependent on the spring force.
  • spherical locking element 4 not directly a spring, but a Pressure transmission element 8 in the form of a rod.
  • the Pressure transmission element 8 is in a longitudinal bore 9 of the insert part 2 led and has at its end a slope 10, which on the inside spherical locking element 4 rests.
  • Within the tube 3 is supported the pressure transmission element 8 by means of a spring 11 on the inner End face of the insert 2.
  • the spring 11 is arranged so that it is on the pressure transmission element 8 exerts a force which tends to Pressure transmission element 8 away from the insertion part 2 and in the direction of to move the receiving part 1.
  • the serving as a pressure transmission element 8 is also in Receiving part 1 guided axially.
  • the through hole 12 of the Receiving part 1 a guide bush 13 is pressed, which in turn Pressure transmission element 8 leads axially, and which also forms a stop, which limits the longitudinal path of the pressure transmission element 8.
  • the insertion diameter of the guide bush 13 is larger than the maximum Diameter of the pressure transmission element 8. In this way, a easier assembly of pressure transmission element 8 and spring 11 allows.
  • Socket wrench extension To assemble the shown in the drawing Socket wrench extension first becomes the spherical locking element 4 brought through its longitudinal bore 9 into its radial bore 6, then receiving part 1, insert part 2 and tube 3 are together connected, preferably by pressing in the inner wall of the tube 3. Then from the receiving part 1, the pressure transmission element 8 with the spring 11 temporarily attached to it by the socket wrench extension passed through to the position shown. Finally, too through the inner square 15, the guide bushing 13 inserted and pressed in the through hole 12.
  • the length of the pressure transmission element 8 is such that this with a pin-shaped end 14 out of the guide bush 13 and in protrudes the inner square 15 of the receiving part 1.
  • the cone-shaped end 14 thus serves to actuate the pressure Pressure transmission element 8 as soon as in the inner square 15 corresponding outside square, z. B. a ratchet wrench introduced becomes.
  • the pressure transmission element 8 takes on the function of a Ram, whose axial movement over the slope 10 to a radial outward movement of the locking element 4 is transmitted, so that this in the position shown in the drawing in a solid line firmly locked. A socket wrench plugged in there can then also be located under Do not release the force effect anymore.

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)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Insulated Conductors (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Fuel-Injection Apparatus (AREA)
  • General Details Of Gearings (AREA)
EP98117962A 1997-10-10 1998-09-22 Steckschlüsselverlängerung Expired - Lifetime EP0908275B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9830169T SI0908275T1 (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
EP0908275A1 EP0908275A1 (de) 1999-04-14
EP0908275B1 true EP0908275B1 (de) 2002-02-13

Family

ID=7845197

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98117962A Expired - Lifetime EP0908275B1 (de) 1997-10-10 1998-09-22 Steckschlüsselverlängerung
EP98117961A Expired - Lifetime EP0908274B1 (de) 1997-10-10 1998-09-22 Steckschlüsselverlängerung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98117961A Expired - Lifetime EP0908274B1 (de) 1997-10-10 1998-09-22 Steckschlüsselverlängerung

Country Status (11)

Country Link
US (2) US6170365B1 (zh)
EP (2) EP0908275B1 (zh)
JP (2) JP3381061B2 (zh)
AT (2) ATE215425T1 (zh)
CA (2) CA2249794A1 (zh)
DE (3) DE19758493C2 (zh)
DK (2) DK0908274T3 (zh)
ES (2) ES2175583T3 (zh)
PT (2) PT908274E (zh)
SI (2) SI0908275T1 (zh)
TW (2) TW413653B (zh)

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 (zh) * 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
JP3381061B2 (ja) 2003-02-24
DK0908275T3 (da) 2002-05-27
JP3412083B2 (ja) 2003-06-03
DE59803598D1 (de) 2002-05-08
DE59803055D1 (de) 2002-03-21
ATE213195T1 (de) 2002-02-15
ES2172848T3 (es) 2002-10-01
PT908274E (pt) 2002-09-30
ES2175583T3 (es) 2002-11-16
DK0908274T3 (da) 2002-07-29
PT908275E (pt) 2002-07-31
ATE215425T1 (de) 2002-04-15
TW413653B (en) 2000-12-01
TW413652B (en) 2000-12-01
SI0908274T1 (en) 2002-08-31
JPH11221776A (ja) 1999-08-17
CA2249794A1 (en) 1999-04-10
JPH11226877A (ja) 1999-08-24
SI0908275T1 (en) 2002-08-31
EP0908274A1 (de) 1999-04-14
EP0908274B1 (de) 2002-04-03
DE19758493A1 (de) 1999-04-22
US6170365B1 (en) 2001-01-09
EP0908275A1 (de) 1999-04-14
US6119559A (en) 2000-09-19
CA2249890A1 (en) 1999-04-10
DE19758493C2 (de) 2000-01-27

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