GB1327680A - Torque limiting wrenches - Google Patents

Torque limiting wrenches

Info

Publication number
GB1327680A
GB1327680A GB2299571A GB2299571A GB1327680A GB 1327680 A GB1327680 A GB 1327680A GB 2299571 A GB2299571 A GB 2299571A GB 2299571 A GB2299571 A GB 2299571A GB 1327680 A GB1327680 A GB 1327680A
Authority
GB
United Kingdom
Prior art keywords
springs
torque
reached
slots
tightening member
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
Application number
GB2299571A
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.)
Nakamura Seisakusho KK
Original Assignee
Nakamura Seisakusho KK
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 Nakamura Seisakusho KK filed Critical Nakamura Seisakusho KK
Publication of GB1327680A publication Critical patent/GB1327680A/en
Expired 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
    • 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
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

1327680 Torque wrenches NAKAMURA SEISAKUSHO KK 19 April 1971 [3 June 1970] 22995/71 Heading B3N A torque wrench comprises a tightening member 2 and a handle member 3 connected to each other by spaced leaf springs 12 having arcuate transverse cross-sections arranged with the concaved surfaces thereof confronting each other. The springs fit into arcuate slots in the tightening member 2 and an insert block 10 in which slots the springs are fined by welding or screws. Block 10 is held in place by pin 11. In operation the increase of applied torque will cause bending of the springs until a predetermined load is reached at which point the springs buckle causing the applied torque to disappear and denoting that the required torque is reached.
GB2299571A 1970-06-03 1971-04-19 Torque limiting wrenches Expired GB1327680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45047749A JPS4824796B1 (en) 1970-06-03 1970-06-03

Publications (1)

Publication Number Publication Date
GB1327680A true GB1327680A (en) 1973-08-22

Family

ID=12783986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2299571A Expired GB1327680A (en) 1970-06-03 1971-04-19 Torque limiting wrenches

Country Status (4)

Country Link
US (1) US3701295A (en)
JP (1) JPS4824796B1 (en)
DE (1) DE2106263C3 (en)
GB (1) GB1327680A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219540A (en) * 1988-05-26 1989-12-13 Bantex Ltd Torque wrench
DE4338230A1 (en) * 1993-11-09 1995-05-11 Eberhard Tittel Device for tightening screw elements, in particular fastening screws of a load carrier for a motor vehicle

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT323093B (en) * 1972-05-03 1975-06-25 Boehler & Co Ag Geb WRENCH
JPS5223689U (en) * 1975-08-08 1977-02-19
JPS5279292U (en) * 1975-12-09 1977-06-13
DE4010775A1 (en) * 1990-04-04 1991-10-17 Wolf Gmbh Richard MEDICAL PLIERS
SE9401096L (en) * 1994-03-31 1995-05-22 Gustav Rennerfelt torque wrench
US6869000B2 (en) * 1994-08-08 2005-03-22 Synthes (U.S.A.) Apparatus for cutting bodies having a non-circular cross section
US7069816B1 (en) 1998-09-14 2006-07-04 Johannes Luebbering Ag Motor-driven screw driver
DE19841870A1 (en) * 1998-09-14 2000-03-16 Konstanze Saathoff Fa Motor driven hand screwing tool with ratchet drive, and torque limiter with ratchet drive and torque limiter arranged in head of screwing tool
US6247385B1 (en) * 2000-03-09 2001-06-19 Arthur Wu Rotatable tool handle having a recovery device
ES2381717B1 (en) 2008-11-14 2013-04-26 Biotechnology Institute, I Mas D, S.L. WRENCH TO DELIVER A MAXIMUM FIXED OR ADJUSTABLE TORQUE
CN102092020A (en) * 2010-09-07 2011-06-15 苏州市天迅机具科技有限公司 Curved labor-saving wrench
US9664315B1 (en) * 2014-08-20 2017-05-30 Samsung Electronics Co., Ltd. One-way nut fastener
US11130216B2 (en) * 2018-08-22 2021-09-28 Frank Hermansen Selectively adjustable torque indicating tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2303411A (en) * 1939-07-11 1942-12-01 Roy H Van Horn Torque wrench
US2315521A (en) * 1942-01-10 1943-04-06 Charles W Hart Torque wrench
US3386128A (en) * 1966-09-26 1968-06-04 Ryan Aeronautical Co Self-actuating, self-locking hinge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219540A (en) * 1988-05-26 1989-12-13 Bantex Ltd Torque wrench
DE4338230A1 (en) * 1993-11-09 1995-05-11 Eberhard Tittel Device for tightening screw elements, in particular fastening screws of a load carrier for a motor vehicle

Also Published As

Publication number Publication date
JPS4824796B1 (en) 1973-07-24
US3701295A (en) 1972-10-31
DE2106263C3 (en) 1973-09-20
DE2106263A1 (en) 1971-12-16
DE2106263B2 (en) 1973-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees