CA2293796C - Ratchet type ring spanner - Google Patents

Ratchet type ring spanner Download PDF

Info

Publication number
CA2293796C
CA2293796C CA002293796A CA2293796A CA2293796C CA 2293796 C CA2293796 C CA 2293796C CA 002293796 A CA002293796 A CA 002293796A CA 2293796 A CA2293796 A CA 2293796A CA 2293796 C CA2293796 C CA 2293796C
Authority
CA
Canada
Prior art keywords
cavity
ratchet
teeth
ratchet wheel
type ring
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
CA002293796A
Other languages
English (en)
French (fr)
Other versions
CA2293796A1 (en
Inventor
Nai-Lin Ma
Jessie Chow
Bobby Hu
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.)
Apex Brands Inc
Original Assignee
Hand Tool Design Corp
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 Hand Tool Design Corp filed Critical Hand Tool Design Corp
Publication of CA2293796A1 publication Critical patent/CA2293796A1/en
Application granted granted Critical
Publication of CA2293796C publication Critical patent/CA2293796C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B25B13/463—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 externally toothed wheel
    • 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
    • B25B13/46—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
CA002293796A 1997-06-09 1998-06-09 Ratchet type ring spanner Expired - Lifetime CA2293796C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US87160497A 1997-06-09 1997-06-09
US08/871,604 1997-06-09
PCT/US1998/011796 WO1998056539A1 (en) 1997-06-09 1998-06-09 Ratchet type ring spanner

Publications (2)

Publication Number Publication Date
CA2293796A1 CA2293796A1 (en) 1998-12-17
CA2293796C true CA2293796C (en) 2005-05-17

Family

ID=25357771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002293796A Expired - Lifetime CA2293796C (en) 1997-06-09 1998-06-09 Ratchet type ring spanner

Country Status (10)

Country Link
EP (1) EP0994765A4 (pt)
JP (1) JP2002504028A (pt)
KR (1) KR20010013622A (pt)
CN (1) CN1262640A (pt)
AU (1) AU7825198A (pt)
BR (1) BR9809997A (pt)
CA (1) CA2293796C (pt)
ID (1) ID23993A (pt)
IL (1) IL133344A0 (pt)
WO (1) WO1998056539A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6918323B2 (en) * 2002-11-01 2005-07-19 Easco Hand Tools Inc. Reversible ratcheting tool with improved pawl
CN100384594C (zh) * 2003-10-09 2008-04-30 陈泰佐 具保护装置的单向驱动扳手
TW201412467A (zh) * 2012-09-20 2014-04-01 New Way Tools Co Ltd 易裝配之棘輪扳手
US10688631B2 (en) 2016-09-20 2020-06-23 Milwaukee Electric Tool Corporation Ratchet mechanism for tool
CN107791182A (zh) * 2017-12-02 2018-03-13 山东钢铁股份有限公司 一种快速组合式简易型扳手
USD912483S1 (en) 2018-11-15 2021-03-09 Milwaukee Electric Tool Corporation Wrench

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1459291A (en) * 1922-06-28 1923-06-19 Lewis L Hall Wrench
US1868840A (en) * 1930-07-03 1932-07-26 Duro Metal Prod Co Ratchet lever
DE674029C (de) * 1936-08-21 1939-04-03 Elisabet Thienes Geb Zobel Freilaufknarre
DE921198C (de) * 1944-01-04 1954-12-09 Friedrich Wilhelm Thienes Mutternschluessel mit Freilaufknarre
US2764048A (en) * 1955-02-07 1956-09-25 Leslie V Thompson Ratchet wrench
US2957377A (en) * 1957-09-13 1960-10-25 Terence G Hare Reversible ratchet type wrench
US3838614A (en) * 1972-12-12 1974-10-01 Donnell W O Reciprocating engine barring tool
DE3322967A1 (de) * 1983-06-25 1985-01-10 Mock-Gerätebau GmbH & Co KG, 2800 Bremen Vorrichtung zum anziehen und loesen von schraubverbindungen
DE3818470A1 (de) * 1988-05-31 1989-03-02 Mueller Hans Joachim Schraubenschluessel mit einer ratsche ausgeruestet, zwecks freien rueckhubes des handgriffes
EP0734813B1 (en) * 1995-03-27 1998-09-16 Hand Tool Design Corporation Ratchet wrench having ratchet teeth of higher strength
US5636557A (en) * 1996-05-24 1997-06-10 Ma; Nai-Lin Ratchet type ring spanner
DE29808840U1 (de) * 1998-05-15 1998-08-06 McCann, Frank, Ta Ya Hsiang, Taichung Ratschenschlüssel mit Steuermechanismus

Also Published As

Publication number Publication date
JP2002504028A (ja) 2002-02-05
AU7825198A (en) 1998-12-30
ID23993A (id) 2000-06-14
CN1262640A (zh) 2000-08-09
BR9809997A (pt) 2000-08-01
KR20010013622A (ko) 2001-02-26
EP0994765A1 (en) 2000-04-26
CA2293796A1 (en) 1998-12-17
WO1998056539A1 (en) 1998-12-17
EP0994765A4 (en) 2000-05-24
IL133344A0 (en) 2001-04-30

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20180611