EP1506843A1 - Dispositif de serrage pour embouts de tournevis hexagonaux - Google Patents

Dispositif de serrage pour embouts de tournevis hexagonaux Download PDF

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Publication number
EP1506843A1
EP1506843A1 EP04017796A EP04017796A EP1506843A1 EP 1506843 A1 EP1506843 A1 EP 1506843A1 EP 04017796 A EP04017796 A EP 04017796A EP 04017796 A EP04017796 A EP 04017796A EP 1506843 A1 EP1506843 A1 EP 1506843A1
Authority
EP
European Patent Office
Prior art keywords
locking element
clamping device
locking
hexagon
hexagonal
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
EP04017796A
Other languages
German (de)
English (en)
Other versions
EP1506843B1 (fr
Inventor
Dieter Hirt
Wilhelm Geis
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.)
Techtronic Industries GmbH
Original Assignee
A&M Electric Tools GmbH
Atlas Copco Electric Tools GmbH
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 A&M Electric Tools GmbH, Atlas Copco Electric Tools GmbH filed Critical A&M Electric Tools GmbH
Publication of EP1506843A1 publication Critical patent/EP1506843A1/fr
Application granted granted Critical
Publication of EP1506843B1 publication Critical patent/EP1506843B1/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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17666—Radially reciprocating jaws
    • Y10T279/17692—Moving-cam actuator
    • Y10T279/17743—Reciprocating cam sleeve
    • Y10T279/17752—Ball or roller jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y10T408/953—Clamping jaws

Definitions

  • a variety of glands is with mechanical or electromechanical aids carried out, wherein netzoder battery operated drills, mechanical ratchets or Like. Be used.
  • hexagon bits As a universal tool So-called hexagon bits have found widespread use. These hex bits have one substantially Hexagonal cross-section on, in corresponding hexagonal shots is held, wherein the torque transmission of the hexagon socket on the hexagon bit over surface pressure takes place on the side surfaces of the hexagon bit.
  • Appropriate Plug connections allow the use of depending on demand Slotted or cross-hatch bits, bits for holding screw nuts or other adapted to the particular application Allen key bits.
  • hex bits have enforced in one quarter inch format.
  • the definition of the bits in the axial Directed as problematic are hexagon shots known with an integrated magnet, wherein the Magnet for an unintentional falling out of an inserted To prevent bits.
  • the bit should be magnetized to ensure adherence of the screws to the bit.
  • the holding force of the magnet may be a degree do not exceed, so used hex bits, for example after exceeding a wear limit without tools can be replaced by hand.
  • a hexagon bit on the screw head "sticks" and when removing the screwdriver off the hexagon socket slips. Longer bits or special bits have a higher dead weight, for which the magnetic Holding force can be too low.
  • clamping devices with a hexagonal socket known in which clamped hex bits by means of suitable Locking elements held in the axial direction liquid are.
  • the hexagon bits have locking recesses for example, in the form of a circumferential annular groove, in the the locking element engages. For insertion or removal corresponding bits a cumbersome unlocking is required.
  • the invention is based on the object, a corresponding To provide tensioning device in the hexagonal bits reliable kept and are easily interchangeable.
  • a clamping device is proposed with a locking element, wherein the locking element in the rest position with respect fixed in its radial position and in axial Insertion direction of the hexagon bit in a radial deflectability releasable receiving position is displaceable.
  • the locking element is missing or inserted hexagon bit in his resting position.
  • To insert the hexagon bit in the axial direction of insertion in the hexagonal socket pushed it to the inside of the hex socket protruding and locked in the rest position locking element strikes. As you continue pushing the bit moved the locking element so far in the axial direction of insertion, until it gets into a shooting position.
  • the locking element is expediently designed such that it against the force of a particular the hexagonal socket enclosing Compression spring is axially veschietik. After deflection of the locking element in the release position can this then automatically in the locked rest position to return. A manual locking is not required.
  • a dedicated, the hexagonal recording enclosing Helical compression spring requires only small volume.
  • the locking element is between the locking element and the compression spring arranged a bearing plate.
  • the investment plate has expediently in the region of the locking element an inwardly inclined slope. It is a precise one defined adhesion between compression spring and locking element achievable.
  • the inwardly inclined slope leads to a radially inwardly directed force component that locks of the locking element in the locking recess of the hexagon supported.
  • Sloping in the form of a dome results in a good guidance of the Ball trained locking element.
  • a helical spring 8 formed as a compression spring. 7 is a bearing plate 9 axially against the locking element 4 in Direction of a free end 14 of the clamping device 1 is pressed.
  • the contact plate 9 by means of a radial inwardly inclined slope 10 on the locking element 4, whereby this radially inward and axially in the direction of the free End 14 is biased.
  • the slope 10 can be used as a plane, as Dome or the like. Be trained.
  • the axial force component is the locking element 4 at a free end 14 facing the end of the slot 11 and also on a stop 17 of the locking sleeve 13 at.
  • the stop 17 extends thereby facing radially inwardly on the free end 14 Side of the retaining wall 12.
  • Rest position of the locking element 4 is the hexagon bit 3 in Direction of the arrow 6 as far insertable until it to the after inside in the hexagonal socket 2 protruding locking element. 4 strikes.
  • the locking element 4 is opposed within the elongated hole 11 the biasing force of the compression spring 7 in the direction of the arrow. 6 axially displaceable.
  • Fig. 2 shows the arrangement of FIG. 1 with a partial further inserted hexagon bit 3.
  • the locking element 4 is together with the hexagon bit 3 axially in the direction of the arrow 6 shifted relative to the rest position shown in Fig. 1 and has taken a recording position.
  • Recording position is the locking element 4 based on the retaining wall 12 so axially displaced that the retaining wall 12th no longer outside of the locking element 4 is located.
  • the Locking element 4 is in its receiving position shown pushed so radially outward that it is no longer in the Hexagonal socket 2 protrudes. From that shown in Fig. 2 Position out the hex bit 3 completely up to a stop 26 are inserted, wherein the locking element 4 by the force of the compression spring 7 in the axial direction against the chamfer 16 is pressed.
  • Fig. 3 shows the arrangement according to FIGS. 1 and 2, in which the Hexagon bit 3 is pushed to the stop 26.
  • the Hexagonal bit 3 has a locking recess 5 which is shown in FIG Embodiment designed as a circumferential groove is. There may also be other suitable wells such as blind holes or the like. Be appropriate.
  • the slope 10 of the investment plate 9 and the chamfer 16 within the locking sleeve thirteenth (FIG. 2) bring about the pressure force of the helical spring 8 a radially inwardly directed force component, in whose Follow the locking element 4 is pressed into the locking recess 5 is.
  • the removal direction and the release direction required for release Lock sleeve 13 match it. Pulling the locking sleeve 13 from the position shown in Fig. 3 in the position according to Fig. 4 and taking place in the same direction removal of the hexagon 3 bits can be done simultaneously and with one hand respectively. For better grip of the locking sleeve 13 has these have a surface structuring on the outside, which in the shown embodiment by two circumferential grooves 22nd is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)
  • Clamps And Clips (AREA)
EP04017796A 2003-08-14 2004-07-28 Dispositif de serrage pour embouts de tournevis hexagonaux Expired - Lifetime EP1506843B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10337470 2003-08-14
DE10337470A DE10337470A1 (de) 2003-08-14 2003-08-14 Spanneinrichtung für Sechskantbits

Publications (2)

Publication Number Publication Date
EP1506843A1 true EP1506843A1 (fr) 2005-02-16
EP1506843B1 EP1506843B1 (fr) 2008-06-11

Family

ID=33560328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04017796A Expired - Lifetime EP1506843B1 (fr) 2003-08-14 2004-07-28 Dispositif de serrage pour embouts de tournevis hexagonaux

Country Status (3)

Country Link
US (1) US7121774B2 (fr)
EP (1) EP1506843B1 (fr)
DE (2) DE10337470A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8276483B2 (en) 2007-08-01 2012-10-02 Robert Bosch Gmbh Hand-held power tool with a tool holder
CN102794731A (zh) * 2011-05-25 2012-11-28 喜利得股份公司 电动旋拧机
WO2022005929A1 (fr) * 2020-07-02 2022-01-06 Milwaukee Electric Tool Corporation Outil à percussion rotatif comprenant un dispositif de maintien de foret
US11660681B2 (en) * 2019-07-23 2023-05-30 Makita Corporation Tool-holding apparatus, impact driver, and electric work machine

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2863518B1 (fr) * 2003-12-15 2006-01-13 Montabert Roger Dispositif d'assemblage du carter et du corps d'un brise roche hydraulique
DE10360008B4 (de) * 2003-12-19 2006-04-06 Wacker Construction Equipment Ag Vorrichtung für einen Bohr- oder Schlaghammer mit Werkzeugaufnahme
JP5032745B2 (ja) * 2005-01-24 2012-09-26 株式会社マキタ 作業工具
DE202006003096U1 (de) * 2006-02-23 2006-07-27 Robert Schröder GmbH & Co. KG Einspannfutter
US8636287B2 (en) * 2006-04-13 2014-01-28 Insty Bit Acquisition, Llc Automatic tool-bit holder
US7740249B1 (en) * 2006-05-01 2010-06-22 Bradshaw Medical, Inc. Holder for replaceable tools
DE102007005033A1 (de) * 2007-02-01 2008-08-07 Robert Bosch Gmbh Werkzeughalterung für eine Werkzeugmaschine, insbesondere für eine Handwerkzeugmaschine
US8366592B2 (en) 2007-11-30 2013-02-05 Cinetic Automation Corp. Quick change spindle
US8262098B2 (en) * 2008-02-05 2012-09-11 Robert Bosch Gmbh Rotary tool system with centering member
TW200950938A (en) * 2008-06-11 2009-12-16 Hou-Fei Hu Chuck for bit
US8800999B2 (en) * 2009-02-27 2014-08-12 Black & Decker Inc. Bit retention device
US8381830B2 (en) * 2009-05-05 2013-02-26 Black & Decker Inc. Power tool with integrated bit retention device
US8622401B2 (en) * 2009-02-27 2014-01-07 Black & Decker Inc. Bit retention device
JP5575428B2 (ja) * 2009-07-10 2014-08-20 株式会社マキタ 集塵アタッチメント
US20120326399A1 (en) * 2011-06-21 2012-12-27 Jack Lin Chuck
US20120326400A1 (en) * 2011-06-21 2012-12-27 Jack Lin Chuck
DE102012101894A1 (de) * 2012-03-06 2013-09-12 Tkr Spezialwerkzeuge Gmbh Werkzeugverbindung
US9156097B2 (en) * 2012-03-20 2015-10-13 Milwaukee Electric Tool Corporation Reciprocating saw blade clamp
CN102729225B (zh) * 2012-07-12 2015-04-08 南京德朔实业有限公司 一种快夹机构
EP2689895B1 (fr) * 2012-07-27 2017-03-08 Black & Decker Inc. Dispositif de rétention de foret
DE102012216137A1 (de) * 2012-09-12 2014-03-13 Hilti Aktiengesellschaft Handwerkzeugmaschine
US9458890B1 (en) 2012-12-20 2016-10-04 Holmed, Llc Square quick connect interface
US9447803B1 (en) 2012-12-20 2016-09-20 Holmed, Llc AO quick connect interface
CA2942984C (fr) * 2014-04-22 2022-05-03 Maxtech Consumer Products Limited Mecanisme de mandrin a raccordement rapide pour pointes de tournevis, et analogues
CN110732888B (zh) 2018-07-20 2022-07-26 米沃奇电动工具公司 工具刀头夹持器
TWM594510U (zh) * 2019-05-23 2020-05-01 鑽全實業股份有限公司 工具轉接頭快拆結構
US11305411B2 (en) * 2019-09-23 2022-04-19 Tien-I Industrial Co., Ltd. Impact tool head assembling mechanism
US11980948B2 (en) * 2019-12-26 2024-05-14 Koki Holdings Co., Ltd. Rotary tool
CN112943811B (zh) * 2021-01-28 2024-05-03 田士军 牵引式播种机播种旋转动力传输与切断转换器
WO2022204349A1 (fr) 2021-03-25 2022-09-29 Milwaukee Electric Tool Corporation Douille à libération rapide
GB2624042A (en) * 2022-11-07 2024-05-08 Osl Cutting Tech Limited A quick-locking tool holder adaptor for high torque power tools
US12408931B2 (en) * 2023-12-19 2025-09-09 DePuy Synthes Products, Inc. Surgical instrument having a self-centered quick connect interface
CN121043067A (zh) * 2024-05-31 2025-12-02 江苏东成工具科技有限公司 电动工具
WO2026023638A1 (fr) * 2024-07-25 2026-01-29 工機ホールディングス株式会社 Machine de travail

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4629375A (en) * 1983-08-24 1986-12-16 Wera Werk Hermann Werner Gmbh & Co. Chuck for tool shanks, particularly screwdriver bits
US20030025281A1 (en) * 2001-08-06 2003-02-06 Ryobi Ltd. Tool holder
WO2003018263A1 (fr) * 2001-08-25 2003-03-06 Wera Werk Hermann Werner Gmbh & Co Kg Mandrin de serrage pour des outils, notamment des embouts de tournevis

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DE3536132A1 (de) * 1985-10-10 1987-04-16 Bosch Gmbh Robert Werkzeughalter
DE3610749A1 (de) * 1986-03-29 1987-10-01 Helfer & Co Kg Kraftantreibbarer schraubkopf
FR2629376B1 (fr) * 1988-04-01 1994-04-29 Prospection & Inventions Porte-outil de foreuse, en particulier pour foret avec ou sans rainure d'entrainement
US5398946A (en) * 1993-12-29 1995-03-21 Poly-Tech Industries Chuck having one-step lock and release
DE19521993B4 (de) * 1995-06-20 2009-04-09 Robert Bosch Gmbh Werkzeughalter und Werkzeug für eine Bohr- und/oder Schlagwerkzeugmaschine
DE19604282A1 (de) * 1996-02-07 1997-08-14 Bosch Gmbh Robert Werkzeughalter mit Aufnahme für verschiedene Werkzeugsysteme
DE29703683U1 (de) * 1997-02-28 1998-06-25 Robert Bosch Gmbh, 70469 Stuttgart Werkzeughalter für Bohr- und/oder Schlagwerkzeuge
US6053675A (en) * 1998-06-26 2000-04-25 Black & Decker Inc. Quick-acting tool bit holder
GB9910599D0 (en) * 1999-05-08 1999-07-07 Black & Decker Inc Rotary hammer
DE10005910B4 (de) * 2000-02-10 2005-10-13 Robert Bosch Gmbh Handwerkzeugmaschine mit einem auswechselbaren Werkzeughalter
DE10044387A1 (de) * 2000-09-08 2002-04-04 Bosch Gmbh Robert Werkzeughalterung für eine Handwerkzeugmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4629375A (en) * 1983-08-24 1986-12-16 Wera Werk Hermann Werner Gmbh & Co. Chuck for tool shanks, particularly screwdriver bits
US20030025281A1 (en) * 2001-08-06 2003-02-06 Ryobi Ltd. Tool holder
WO2003018263A1 (fr) * 2001-08-25 2003-03-06 Wera Werk Hermann Werner Gmbh & Co Kg Mandrin de serrage pour des outils, notamment des embouts de tournevis

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8276483B2 (en) 2007-08-01 2012-10-02 Robert Bosch Gmbh Hand-held power tool with a tool holder
CN102794731A (zh) * 2011-05-25 2012-11-28 喜利得股份公司 电动旋拧机
CN102794731B (zh) * 2011-05-25 2016-06-08 喜利得股份公司 电动旋拧机
US9434057B2 (en) 2011-05-25 2016-09-06 Hilti Aktiengesellschaft Electric screwdriver
US11660681B2 (en) * 2019-07-23 2023-05-30 Makita Corporation Tool-holding apparatus, impact driver, and electric work machine
WO2022005929A1 (fr) * 2020-07-02 2022-01-06 Milwaukee Electric Tool Corporation Outil à percussion rotatif comprenant un dispositif de maintien de foret
US11685032B2 (en) 2020-07-02 2023-06-27 Milwaukee Electric Tool Corporation Rotary impact tool having bit holding device

Also Published As

Publication number Publication date
EP1506843B1 (fr) 2008-06-11
US7121774B2 (en) 2006-10-17
DE502004007348D1 (de) 2008-07-24
US20050036844A1 (en) 2005-02-17
DE10337470A1 (de) 2005-03-17

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