ZA200205901B - A fluid-operated torque wrench. - Google Patents

A fluid-operated torque wrench.

Info

Publication number
ZA200205901B
ZA200205901B ZA200205901A ZA200205901A ZA200205901B ZA 200205901 B ZA200205901 B ZA 200205901B ZA 200205901 A ZA200205901 A ZA 200205901A ZA 200205901 A ZA200205901 A ZA 200205901A ZA 200205901 B ZA200205901 B ZA 200205901B
Authority
ZA
South Africa
Prior art keywords
fluid
cylinder
torque wrench
pistons
ratchet
Prior art date
Application number
ZA200205901A
Other languages
English (en)
Inventor
John K Junkers
Peter Koppenhoefer
Original Assignee
Unex 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 Unex Corp filed Critical Unex Corp
Publication of ZA200205901B publication Critical patent/ZA200205901B/xx

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
    • B25B23/14—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
ZA200205901A 2002-01-04 2002-07-23 A fluid-operated torque wrench. ZA200205901B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/037,991 US6802235B2 (en) 2002-01-04 2002-01-04 Fluid-operated torque wrench

Publications (1)

Publication Number Publication Date
ZA200205901B true ZA200205901B (en) 2003-04-01

Family

ID=21897478

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200205901A ZA200205901B (en) 2002-01-04 2002-07-23 A fluid-operated torque wrench.

Country Status (12)

Country Link
US (1) US6802235B2 (ko)
EP (1) EP1325794B1 (ko)
JP (1) JP3973213B2 (ko)
KR (1) KR100487274B1 (ko)
CN (1) CN1275739C (ko)
AT (1) ATE322358T1 (ko)
AU (1) AU2002315913B2 (ko)
BR (1) BR0300075B1 (ko)
DE (1) DE60304371T2 (ko)
MX (1) MXPA02008742A (ko)
TW (1) TW527266B (ko)
ZA (1) ZA200205901B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6912933B2 (en) * 2003-04-11 2005-07-05 Brian Knopp Hydraulic torque wrench system
US7062993B2 (en) 2004-09-15 2006-06-20 Raymond Shaw Torque wrench
US7497147B2 (en) 2006-09-12 2009-03-03 Unex Corporation Torque tool for tightening or loosening connections, and method of tightening or loosening the same
GB2453329B (en) * 2007-10-01 2012-07-25 Unex Corp Torque tool for tightening or loosening connections and method of tightening or loosening the same
US8499853B2 (en) * 2009-11-16 2013-08-06 Norwolf Tool Works, Inc. Apparatus and methods for controlling hydraulically powered equipment
MX2010002061A (es) 2010-02-22 2011-08-31 Luis Gerardo Oyervides Ochoa Separador y alineador de bridas hidraulico de accionamiento manual.
CN101898343A (zh) * 2010-08-12 2010-12-01 太仓优尼泰克精密机械有限公司 液压扳手
US9550282B2 (en) * 2014-04-22 2017-01-24 John D. Davis Compact hydraulic torque wrench cartridge
CN109623705B (zh) * 2017-10-06 2021-10-26 实用动力集团 液压扭矩扳手
KR102671619B1 (ko) 2022-03-30 2024-06-03 주식회사 건호엔지니어링 유압 토크 렌치
KR102706567B1 (ko) 2022-03-30 2024-09-13 주식회사 건호엔지니어링 유압식 토크렌치의 제어 시스템
KR20230140829A (ko) 2022-03-30 2023-10-10 주식회사 건호엔지니어링 유압 토크 렌치
USD1042067S1 (en) * 2023-02-28 2024-09-17 Primesource Consulting Llc Limited clearance tool

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027561A (en) * 1975-11-19 1977-06-07 Junkers John K Hydraulic wrench
US4201099B1 (en) 1978-08-14 1993-12-07 K. Junkers John Hydraulic wrench
US4233865A (en) * 1979-04-25 1980-11-18 Junkers John K Hydraulic wrench
US4409865A (en) 1981-01-15 1983-10-18 Unex Corporation Continuous ratchet drive
US4706527A (en) 1984-10-22 1987-11-17 Junkers John K Fluid operated wrench for tightening or loosening a threaded connector
EP0324050A1 (en) 1988-01-14 1989-07-19 Unex Corporation Torque Wrench
US5005447A (en) 1989-10-05 1991-04-09 Junkers John K Torque wrench
FR2691508B1 (fr) * 1992-05-20 1994-07-08 Snecma Verin a fluide sous pression et tuyere a section variable en faisant application.
US5953967A (en) 1996-05-28 1999-09-21 Junkers; John Fluid-operated cylinder-piston unit, and a tool provided therewith
US6260444B1 (en) * 1999-06-23 2001-07-17 John K. Junkers Power tool

Also Published As

Publication number Publication date
CN1429690A (zh) 2003-07-16
KR20030060049A (ko) 2003-07-12
US6802235B2 (en) 2004-10-12
ATE322358T1 (de) 2006-04-15
TW527266B (en) 2003-04-11
EP1325794B1 (en) 2006-04-05
KR100487274B1 (ko) 2005-05-03
JP3973213B2 (ja) 2007-09-12
BR0300075A (pt) 2003-09-02
AU2002315913B2 (en) 2007-05-31
EP1325794A1 (en) 2003-07-09
CN1275739C (zh) 2006-09-20
US20030126956A1 (en) 2003-07-10
BR0300075B1 (pt) 2013-05-28
MXPA02008742A (es) 2004-03-10
DE60304371T2 (de) 2007-02-01
JP2003334766A (ja) 2003-11-25
DE60304371D1 (de) 2006-05-18

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