EP2737977A1 - Outil de couple unidirectionnel - Google Patents

Outil de couple unidirectionnel Download PDF

Info

Publication number
EP2737977A1
EP2737977A1 EP12195169.3A EP12195169A EP2737977A1 EP 2737977 A1 EP2737977 A1 EP 2737977A1 EP 12195169 A EP12195169 A EP 12195169A EP 2737977 A1 EP2737977 A1 EP 2737977A1
Authority
EP
European Patent Office
Prior art keywords
head
rotor
angle
pawls
torque tool
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
EP12195169.3A
Other languages
German (de)
English (en)
Other versions
EP2737977B1 (fr
Inventor
Yi-Min Wu
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.)
Matatakitoyo Tool Co Ltd
Original Assignee
Matatakitoyo Tool Co Ltd
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 Matatakitoyo Tool Co Ltd filed Critical Matatakitoyo Tool Co Ltd
Priority to EP12195169.3A priority Critical patent/EP2737977B1/fr
Priority to ES12195169.3T priority patent/ES2565854T3/es
Priority to PL12195169T priority patent/PL2737977T3/pl
Priority to SI201230478T priority patent/SI2737977T1/sl
Publication of EP2737977A1 publication Critical patent/EP2737977A1/fr
Application granted granted Critical
Publication of EP2737977B1 publication Critical patent/EP2737977B1/fr
Active 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
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
    • B25B13/465—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an internally toothed ring

Definitions

  • US Patent No. 5074174 discloses a socket wrench including a body 1, a ratchet member 108 and a plurality of socket members 102, 103 and 104.
  • the ratchet member 108 and the socket members 102, 103 and 104 are placed in the body 1.
  • the ratchet member 108 includes two pawls 180 and 181 and a cam 182. By operating the cam 182, teeth of a selected one of the pawls 180 and 181 is engaged with teeth of the socket member 104.
  • the upper ring 41 includes a rib 43 extending on a lower face 42 which is in contact with the head 21.
  • the rib 43 includes two thin portions 44 and two thick portions 45.
  • the thin portions 44 and the thick portions 45 are alternately arranged along the rib 43.
  • One thick portion 45 (the "long thick portion 45) extends longer than the other thick portion 45 (the "short thick portion 45).
  • An internal diameter of the thin portions 44 is larger than that of the thick portions 45.
  • the long thick portion 45 includes two recesses 47 defined in an internal side. The recesses 47 are separated from each other by a peak 48 which does not extend beyond the long thick portion 45.
  • the rotor 30 includes two cutouts 35, two pockets 56 and a bore 52 defined in the middle section 34.
  • the cutouts 35 are defined in the periphery of the middle section 34 of the rotor 30.
  • the shape of the cutouts 35 is in compliance with that of the pawls 60.
  • Each of the cutouts 35 includes an inclined face 36, an arched face 37 and a flat side 38 extending between the inclined face 36 and the arched face 37.
  • a center of the arched face 37 of the first cutout 35 is separated from that of the second cutout 35 by the angle ⁇ .
  • Each of the pockets 56 is in communication with a corresponding one of the cutouts 35.
  • An axis of each of the pockets 56 does not extend to the center of the arched face 37 of the corresponding one of the cutouts 35.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP12195169.3A 2012-11-30 2012-11-30 Outil de couple unidirectionnel Active EP2737977B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12195169.3A EP2737977B1 (fr) 2012-11-30 2012-11-30 Outil de couple unidirectionnel
ES12195169.3T ES2565854T3 (es) 2012-11-30 2012-11-30 Herramienta de torsión unidireccional
PL12195169T PL2737977T3 (pl) 2012-11-30 2012-11-30 Jednokierunkowe narzędzie dynamomeryczne
SI201230478T SI2737977T1 (sl) 2012-11-30 2012-11-30 V eno smer delujoče zaskočno orodje

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12195169.3A EP2737977B1 (fr) 2012-11-30 2012-11-30 Outil de couple unidirectionnel

Publications (2)

Publication Number Publication Date
EP2737977A1 true EP2737977A1 (fr) 2014-06-04
EP2737977B1 EP2737977B1 (fr) 2016-01-06

Family

ID=47429567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12195169.3A Active EP2737977B1 (fr) 2012-11-30 2012-11-30 Outil de couple unidirectionnel

Country Status (4)

Country Link
EP (1) EP2737977B1 (fr)
ES (1) ES2565854T3 (fr)
PL (1) PL2737977T3 (fr)
SI (1) SI2737977T1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI505918B (zh) * 2013-11-22 2015-11-01 具可變的空轉角度的扭矩工具
TWI505916B (zh) * 2013-11-22 2015-11-01 用於狹窄空間的扳手
EP3002083A1 (fr) * 2014-10-03 2016-04-06 Stanley Chiro International Ltd. Clé à cliquet
EP3056313A1 (fr) * 2015-02-10 2016-08-17 Yi-Min Wu Clé multimodale
CN108032246A (zh) * 2017-12-13 2018-05-15 温州大学 一种可记录旋转圈数的不卸扳手

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2112693A (en) * 1937-06-16 1938-03-29 Independent Pneumatic Tool Co Portable hammer wrench
DE2365124A1 (de) * 1973-12-29 1975-07-10 Elora Werkzeugfabrik Erich Rau Knarre fuer steckschluesseleinsaetze
US4147076A (en) 1977-10-31 1979-04-03 The Wright Tool And Forge Company Reversing-ratchet socket wrench
US4261233A (en) 1979-02-05 1981-04-14 Thorsen Tool Company Ratchet wrench of the socket drive type
DE3818470A1 (de) * 1988-05-31 1989-03-02 Mueller Hans Joachim Schraubenschluessel mit einer ratsche ausgeruestet, zwecks freien rueckhubes des handgriffes
US5074174A (en) 1989-09-02 1991-12-24 Dae Sam Co., Ltd. Socket wrench
US6655238B1 (en) 2002-11-07 2003-12-02 Chih-Ching Hsien Reinforcement teeth structure for ratchet
US6666111B1 (en) 2002-12-23 2003-12-23 Chih-Ching Hsien Wrench teeth arrangement for ratchet tools
US20040089108A1 (en) * 2002-11-11 2004-05-13 Chuck Chang Wrench having a locking device with a smaller driving angle
US20100162857A1 (en) * 2008-12-27 2010-07-01 Chuck Chang Wrench

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2112693A (en) * 1937-06-16 1938-03-29 Independent Pneumatic Tool Co Portable hammer wrench
DE2365124A1 (de) * 1973-12-29 1975-07-10 Elora Werkzeugfabrik Erich Rau Knarre fuer steckschluesseleinsaetze
US4147076A (en) 1977-10-31 1979-04-03 The Wright Tool And Forge Company Reversing-ratchet socket wrench
US4261233A (en) 1979-02-05 1981-04-14 Thorsen Tool Company Ratchet wrench of the socket drive type
DE3818470A1 (de) * 1988-05-31 1989-03-02 Mueller Hans Joachim Schraubenschluessel mit einer ratsche ausgeruestet, zwecks freien rueckhubes des handgriffes
US5074174A (en) 1989-09-02 1991-12-24 Dae Sam Co., Ltd. Socket wrench
US6655238B1 (en) 2002-11-07 2003-12-02 Chih-Ching Hsien Reinforcement teeth structure for ratchet
US20040089108A1 (en) * 2002-11-11 2004-05-13 Chuck Chang Wrench having a locking device with a smaller driving angle
US6666111B1 (en) 2002-12-23 2003-12-23 Chih-Ching Hsien Wrench teeth arrangement for ratchet tools
US20100162857A1 (en) * 2008-12-27 2010-07-01 Chuck Chang Wrench

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI505918B (zh) * 2013-11-22 2015-11-01 具可變的空轉角度的扭矩工具
TWI505916B (zh) * 2013-11-22 2015-11-01 用於狹窄空間的扳手
EP3002083A1 (fr) * 2014-10-03 2016-04-06 Stanley Chiro International Ltd. Clé à cliquet
EP3056313A1 (fr) * 2015-02-10 2016-08-17 Yi-Min Wu Clé multimodale
CN108032246A (zh) * 2017-12-13 2018-05-15 温州大学 一种可记录旋转圈数的不卸扳手

Also Published As

Publication number Publication date
ES2565854T3 (es) 2016-04-07
EP2737977B1 (fr) 2016-01-06
PL2737977T3 (pl) 2016-06-30
SI2737977T1 (sl) 2016-04-29

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