EP0292752A3 - Hydraulically impulsed screwdriver - Google Patents

Hydraulically impulsed screwdriver Download PDF

Info

Publication number
EP0292752A3
EP0292752A3 EP88107194A EP88107194A EP0292752A3 EP 0292752 A3 EP0292752 A3 EP 0292752A3 EP 88107194 A EP88107194 A EP 88107194A EP 88107194 A EP88107194 A EP 88107194A EP 0292752 A3 EP0292752 A3 EP 0292752A3
Authority
EP
European Patent Office
Prior art keywords
impulsed
screwdriver
hydraulically
impulsed screwdriver
hydraulically impulsed
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
EP88107194A
Other languages
German (de)
Other versions
EP0292752B1 (en
EP0292752A2 (en
Inventor
Heinz Gerhard Anders
Konrad Karl Kettner
Eugen Mattheiss
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.)
Deutsche Gardner Denver GmbH
Original Assignee
Deutsche Gardner Denver 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 Deutsche Gardner Denver GmbH filed Critical Deutsche Gardner Denver GmbH
Publication of EP0292752A2 publication Critical patent/EP0292752A2/en
Publication of EP0292752A3 publication Critical patent/EP0292752A3/en
Application granted granted Critical
Publication of EP0292752B1 publication Critical patent/EP0292752B1/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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
    • B25B23/1453—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers for impact wrenches or screwdrivers
    • 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
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
EP88107194A 1987-05-26 1988-05-05 Hydraulically impulsed screwdriver Expired - Lifetime EP0292752B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3717630 1987-05-26
DE19873717630 DE3717630A1 (en) 1987-05-26 1987-05-26 HYDRO IMPULSE SCREWDRIVER

Publications (3)

Publication Number Publication Date
EP0292752A2 EP0292752A2 (en) 1988-11-30
EP0292752A3 true EP0292752A3 (en) 1990-01-24
EP0292752B1 EP0292752B1 (en) 1994-04-13

Family

ID=6328388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107194A Expired - Lifetime EP0292752B1 (en) 1987-05-26 1988-05-05 Hydraulically impulsed screwdriver

Country Status (3)

Country Link
EP (1) EP0292752B1 (en)
DE (2) DE3717630A1 (en)
ES (1) ES2050676T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931634A1 (en) * 1989-09-22 1991-04-04 Telefunken Electronic Gmbh SEMICONDUCTOR COMPONENT
DE4218816C2 (en) * 1992-06-06 2002-09-05 Cooper Power Tools Gmbh & Co Hydro pulse tools
EP0638394B1 (en) * 1993-08-06 1998-04-22 Fuji Kuuki Kabushiki Kaisha Oil pressure type pulse wrench having an autoshut-off device
DE4429282A1 (en) * 1994-08-18 1996-02-22 Cooper Ind Inc Hydro impulse wrench especially for tightening screw connections
DE502006005743D1 (en) * 2006-11-13 2010-02-04 Cooper Power Tools Gmbh & Co Tool with a hydraulic impact mechanism
DE202013000454U1 (en) 2013-01-17 2013-10-07 Michaela Harth Hazmat warning sign

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334487A (en) * 1965-09-07 1967-08-08 Ingersoll Rand Co Impulse tool with improved cut-off device
EP0070325A1 (en) * 1981-07-17 1983-01-26 Giken Kogyo Kabushiki Kaisha Fluid impulse torque tool
DE3347016A1 (en) * 1983-12-24 1985-07-18 Bijon 7433 Dettingen Sarkar Impulse screwdriver
GB2170435A (en) * 1985-02-04 1986-08-06 Ingersoll Rand Co Impulse tool having shut off system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE343231B (en) * 1969-02-28 1972-03-06 Atlas Copco Ab

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334487A (en) * 1965-09-07 1967-08-08 Ingersoll Rand Co Impulse tool with improved cut-off device
EP0070325A1 (en) * 1981-07-17 1983-01-26 Giken Kogyo Kabushiki Kaisha Fluid impulse torque tool
DE3347016A1 (en) * 1983-12-24 1985-07-18 Bijon 7433 Dettingen Sarkar Impulse screwdriver
GB2170435A (en) * 1985-02-04 1986-08-06 Ingersoll Rand Co Impulse tool having shut off system

Also Published As

Publication number Publication date
EP0292752B1 (en) 1994-04-13
ES2050676T3 (en) 1994-06-01
DE3889006D1 (en) 1994-05-19
EP0292752A2 (en) 1988-11-30
DE3717630A1 (en) 1988-12-15

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