ATE144736T1 - Ratschen-schrauben - Google Patents

Ratschen-schrauben

Info

Publication number
ATE144736T1
ATE144736T1 AT91307444T AT91307444T ATE144736T1 AT E144736 T1 ATE144736 T1 AT E144736T1 AT 91307444 T AT91307444 T AT 91307444T AT 91307444 T AT91307444 T AT 91307444T AT E144736 T1 ATE144736 T1 AT E144736T1
Authority
AT
Austria
Prior art keywords
ratcheting
tool head
retainer
power source
drive pins
Prior art date
Application number
AT91307444T
Other languages
English (en)
Inventor
Oswald Jean Bernard
Paul Emile Bernard
William Peter Bernard
Original Assignee
Francis Services Inc
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 Francis Services Inc filed Critical Francis Services Inc
Application granted granted Critical
Publication of ATE144736T1 publication Critical patent/ATE144736T1/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Transmission Devices (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Materials For Medical Uses (AREA)
AT91307444T 1990-11-05 1991-08-13 Ratschen-schrauben ATE144736T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/608,720 US5097730A (en) 1988-11-07 1990-11-05 Inline ratcheting tool

Publications (1)

Publication Number Publication Date
ATE144736T1 true ATE144736T1 (de) 1996-11-15

Family

ID=24437711

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91307444T ATE144736T1 (de) 1990-11-05 1991-08-13 Ratschen-schrauben

Country Status (4)

Country Link
US (1) US5097730A (de)
EP (1) EP0485056B1 (de)
AT (1) ATE144736T1 (de)
DE (1) DE69122943T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301574A (en) * 1993-03-02 1994-04-12 Bolttech Inc. Hydraulic wrench
US5369867A (en) * 1993-03-03 1994-12-06 Unex Corporation Method for engaging threaded connectors
AU1553595A (en) * 1994-06-17 1996-07-10 Dale Francis Improved torque wrench system
US6056325A (en) * 1998-04-27 2000-05-02 Francis Torq/Lite Swivel body for fluid driven torque wrenches
US6279427B1 (en) * 1999-05-19 2001-08-28 Francis Torq/Lite, Inc. Crosshead jam nut torque tool
US6553873B2 (en) 2000-05-03 2003-04-29 Power Tork Hydraulics, Inc. Hydraulic wrench control valve systems
US7146880B1 (en) 2004-12-06 2006-12-12 Francis Services, Inc. Torque wrench system
US8763496B2 (en) * 2010-05-21 2014-07-01 National Oilwell Varco, L.P. Method and apparatus for installation and removal of a valve cover
WO2015127016A1 (en) 2014-02-19 2015-08-27 Torq/Lite, Llc Squeezing clamp hammer union torque tool
US9550282B2 (en) * 2014-04-22 2017-01-24 John D. Davis Compact hydraulic torque wrench cartridge
EP3359340B1 (de) * 2015-10-05 2022-07-27 Hytorc Division Unex Corporation Vorrichtung zum anziehen von schraubenverbindungen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1243927A (en) * 1969-07-18 1971-08-25 John Louis Biach Torque applying device
SU747709A1 (ru) * 1975-09-22 1980-07-15 Всесоюзный Научно-Исследовательский Институт По Монтажным И Специальным Работам Устройство дл зат жки крупных резьбовых соединений
FR2533486A1 (fr) * 1982-09-27 1984-03-30 Junkers John Cle hydraulique avec galet antagoniste
DE3406063A1 (de) * 1984-02-20 1985-08-22 Eiji Sanjo Niigata Nakayama Schraubenschluessel
US4674368A (en) * 1985-06-14 1987-06-23 Raymond Engineering Inc. Ratchet mechanism for hydraulic wrench
US4669338A (en) * 1985-10-11 1987-06-02 Collins Bobby W Ratcheting box wrench
DE3610508A1 (de) * 1986-03-15 1987-09-17 Kurt Grzanna Ratschenschluessel
US4722252A (en) * 1987-03-02 1988-02-02 Fulcher William A Power driven wrench
US4819520A (en) * 1987-04-23 1989-04-11 Power Tork Hyraulics, Inc. Stationary cylinder torque wrench

Also Published As

Publication number Publication date
EP0485056B1 (de) 1996-10-30
DE69122943T2 (de) 1997-03-06
US5097730A (en) 1992-03-24
EP0485056A1 (de) 1992-05-13
DE69122943D1 (de) 1996-12-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties