EP0747173A4 - Wrench - Google Patents

Wrench

Info

Publication number
EP0747173A4
EP0747173A4 EP19940913474 EP94913474A EP0747173A4 EP 0747173 A4 EP0747173 A4 EP 0747173A4 EP 19940913474 EP19940913474 EP 19940913474 EP 94913474 A EP94913474 A EP 94913474A EP 0747173 A4 EP0747173 A4 EP 0747173A4
Authority
EP
European Patent Office
Prior art keywords
wrench
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.)
Withdrawn
Application number
EP19940913474
Other languages
German (de)
French (fr)
Other versions
EP0747173A1 (en
Inventor
Ruixian Chen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0747173A4 publication Critical patent/EP0747173A4/en
Publication of EP0747173A1 publication Critical patent/EP0747173A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/08—Spanners; Wrenches with rigid jaws of open jaw type
    • 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
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/481—Spanners; Wrenches for special purposes for operating in areas having limited access

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Rolling Contact Bearings (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
EP94913474A 1993-06-21 1994-04-29 Wrench Withdrawn EP0747173A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN93216345U CN2176871Y (en) 1993-06-21 1993-06-21 Easy-to-use wrench
CN93216345 1993-06-21
PCT/CN1994/000032 WO1995000297A1 (en) 1993-06-21 1994-04-29 A novel wrench

Publications (2)

Publication Number Publication Date
EP0747173A4 true EP0747173A4 (en) 1996-08-23
EP0747173A1 EP0747173A1 (en) 1996-12-11

Family

ID=5005455

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94913474A Withdrawn EP0747173A1 (en) 1993-06-21 1994-04-29 Wrench

Country Status (4)

Country Link
EP (1) EP0747173A1 (en)
CN (1) CN2176871Y (en)
AU (1) AU6562694A (en)
WO (1) WO1995000297A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU701290B2 (en) * 1995-05-04 1999-01-21 Gerhard Schmauser Modular building framework
FR2752183B1 (en) * 1996-08-12 1998-10-16 Simplet Serge WRENCH WITH ALTERNATE AND MANUAL ROTATION CONTROL
FR2760206B1 (en) * 1997-02-28 1999-04-16 Facom CLICK KEY
DE19854374B4 (en) 1998-11-25 2004-07-01 Hirse-Patent-Lizenz-Gmbh end wrench
DE10020379C1 (en) * 2000-04-26 2002-01-24 Hirse Patent Lizenz Gmbh Spanner for cooperation with hexagonal nut or screw head has spanner head provided with 2 jaws of unequal length having different engagement points for rotation through 30 degree steps
DE10123670C1 (en) * 2001-05-16 2002-11-07 Hirse Patent Lizenz Gmbh Spanner, for releasing and tightening hexagonal nut, has one jaw of spanner head provided with two engagement points separated by notch allowing engagement with corner edge of nut
DE102020105099B3 (en) 2020-02-27 2021-07-08 Wera Werkzeuge Gmbh Spanner
DE202020101066U1 (en) 2020-02-27 2021-05-28 Wera Werkzeuge Gmbh Spanner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB289703A (en) * 1927-09-27 1928-05-03 Alfred Henry Witter Improvements in or relating to spanners or wrenches
US3850057A (en) * 1973-11-23 1974-11-26 Johnson P Combination torqueing and ratcheting wrench
US3955450A (en) * 1975-04-25 1976-05-11 James R. Head Adjustable wrench for torqueing and ratcheting a symmetrical polygon member
GB2080171A (en) * 1980-07-24 1982-02-03 Harris Alexander Spanner
US4889020A (en) * 1987-08-31 1989-12-26 Baker David R Open end ratchet type wrench

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671368A (en) * 1951-03-12 1954-03-09 Diebold Fritz Wrench, including movable or stationary jaws
CN87200544U (en) * 1987-01-13 1987-10-14 李常青 Wrench
CN2037289U (en) * 1988-04-19 1989-05-10 郑潮 One-way open spanner
US5131312A (en) * 1989-09-18 1992-07-21 Macor Richard J Surface conforming, torque enhancing wrench
CN2071566U (en) * 1990-07-18 1991-02-20 漆明远 Solid wrench
CN2100285U (en) * 1991-09-11 1992-04-01 国营北京市东北旺工具厂 Special wrench

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB289703A (en) * 1927-09-27 1928-05-03 Alfred Henry Witter Improvements in or relating to spanners or wrenches
US3850057A (en) * 1973-11-23 1974-11-26 Johnson P Combination torqueing and ratcheting wrench
US3955450A (en) * 1975-04-25 1976-05-11 James R. Head Adjustable wrench for torqueing and ratcheting a symmetrical polygon member
GB2080171A (en) * 1980-07-24 1982-02-03 Harris Alexander Spanner
US4889020A (en) * 1987-08-31 1989-12-26 Baker David R Open end ratchet type wrench

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9500297A1 *

Also Published As

Publication number Publication date
CN2176871Y (en) 1994-09-14
AU6562694A (en) 1995-01-17
WO1995000297A1 (en) 1995-01-05
EP0747173A1 (en) 1996-12-11

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Legal Events

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