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EP0432884A3 - Power wrench - Google Patents

Power wrench Download PDF

Info

Publication number
EP0432884A3
EP0432884A3 EP19900311709 EP90311709A EP0432884A3 EP 0432884 A3 EP0432884 A3 EP 0432884A3 EP 19900311709 EP19900311709 EP 19900311709 EP 90311709 A EP90311709 A EP 90311709A EP 0432884 A3 EP0432884 A3 EP 0432884A3
Authority
EP
European Patent Office
Prior art keywords
power wrench
wrench
power
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Withdrawn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
EP19900311709
Other versions
EP0432884A2 (en
Inventor
John K. Junkers
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 EP0432884A2 publication Critical patent/EP0432884A2/en
Publication of EP0432884A3 publication Critical patent/EP0432884A3/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Withdrawn legal-status Critical Current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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
    • B25B21/005—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type driven by a radially acting hydraulic or pneumatic piston
    • 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
    • B25B23/0078—Reaction arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP19900311709 1989-12-15 1990-10-25 Power wrench Withdrawn EP0432884A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45175089A 1989-12-15 1989-12-15
US451750 1989-12-15

Publications (2)

Publication Number Publication Date
EP0432884A2 EP0432884A2 (en) 1991-06-19
EP0432884A3 true EP0432884A3 (en) 1991-08-21

Family

ID=23793543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900311709 Withdrawn EP0432884A3 (en) 1989-12-15 1990-10-25 Power wrench

Country Status (3)

Country Link
EP (1) EP0432884A3 (en)
JP (1) JPH03196977A (en)
BR (1) BR9006780A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29607207U1 (en) * 1996-04-20 1997-08-21 Wagner, Paul-Heinz, 53804 Much Hydraulic power wrench
IT1288520B1 (en) * 1996-09-17 1998-09-22 Alfonso Apicella SELF-BINDING AUTOMATIC UNSCREWER
US7451672B2 (en) 2006-01-11 2008-11-18 Jetyd Corp. Link attachment to torque wrench
US7765895B2 (en) * 2007-10-29 2010-08-03 Junkers John K Fluid-operated torque wrench for and method of tightening or loosening fasteners
CN101890690B (en) * 2010-06-29 2012-07-04 杨国福 Effort-saving wrench socket and manufacturing method thereof
CN103753472A (en) * 2014-01-05 2014-04-30 陈学红 Wrench head
GB2524825A (en) * 2014-04-04 2015-10-07 Hire Torque Ltd Torque wrench with reaction arm

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028204A (en) * 1978-08-14 1980-03-05 Junkers J K Hydraulic wrench
EP0240931A1 (en) * 1986-04-04 1987-10-14 Applied Power Inc. Power wrench
US4825730A (en) * 1987-09-29 1989-05-02 Junkers John K Fluid operated wrench

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028204A (en) * 1978-08-14 1980-03-05 Junkers J K Hydraulic wrench
EP0240931A1 (en) * 1986-04-04 1987-10-14 Applied Power Inc. Power wrench
US4825730A (en) * 1987-09-29 1989-05-02 Junkers John K Fluid operated wrench

Also Published As

Publication number Publication date
JPH03196977A (en) 1991-08-28
EP0432884A2 (en) 1991-06-19
BR9006780A (en) 1991-10-01

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Effective date: 19920222