EP0671243A1 - Drehmoment-Schraubenschlüssel - Google Patents

Drehmoment-Schraubenschlüssel Download PDF

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Publication number
EP0671243A1
EP0671243A1 EP95301217A EP95301217A EP0671243A1 EP 0671243 A1 EP0671243 A1 EP 0671243A1 EP 95301217 A EP95301217 A EP 95301217A EP 95301217 A EP95301217 A EP 95301217A EP 0671243 A1 EP0671243 A1 EP 0671243A1
Authority
EP
European Patent Office
Prior art keywords
torque
wrench
torque wrench
limiting
handle
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Withdrawn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
EP95301217A
Other languages
English (en)
French (fr)
Inventor
Terence Clifford Bullen
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.)
MHH ENGINEERING CO Ltd
Original Assignee
MHH ENGINEERING CO Ltd
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 MHH ENGINEERING CO Ltd filed Critical MHH ENGINEERING CO Ltd
Publication of EP0671243A1 publication Critical patent/EP0671243A1/de
Withdrawn legal-status Critical Current

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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
    • B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
    • B25B23/1422—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters
    • B25B23/1427—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers torque indicators or adjustable torque limiters by mechanical means

Definitions

  • Said spring abutment may be retained in preferred rotational positions relative to said adjacent part of the torque wrench by means of a resiliently biassed detent, said lock means being selectively operable on said detent either to permit said spring abutment to rotate relative to said adjacent part or to cause said detent mutually to lock said spring abutment and said adjacent part.
  • the pawl carrier 120 (separately detailed in Figs. 4 and 5) is formed with two pawl-mounting notches 132 (shown in Figs. 4 and 5 without pawls therein) which are mutually angularly spaced apart by 170°. Since 170° is a integral number of angular separations of the ratchet teeth 130, plus half such an angular separation (81 ⁇ 2 x 20°), one of the two mutually identical pawls 134 (Figs.
  • the pawl 534 (Figs. 38 and 39) is correspondingly extended in comparison to the pawl 134 (Figs. 6 and 7).
  • the pawl 534 is slightly tapered in profile.
  • the internal ratchet teeth 530 (Figs. 34 and 35) formed in the radially inner periphery 528 of the annulus 518 are likewise axially extended to the full axial extent of the annulus 518 as may be seen by comparing Fig. 35 with Fig. 3.
  • the teeth 530 have cross-sectional profiles which are the same as those of the teeth 130 as may be noted from the essential identity of Fig. 34 with Fig. 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP95301217A 1994-03-02 1995-02-24 Drehmoment-Schraubenschlüssel Withdrawn EP0671243A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9403995A GB9403995D0 (en) 1994-03-02 1994-03-02 Torque wrenches
GB9403995 1994-03-02

Publications (1)

Publication Number Publication Date
EP0671243A1 true EP0671243A1 (de) 1995-09-13

Family

ID=10751150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95301217A Withdrawn EP0671243A1 (de) 1994-03-02 1995-02-24 Drehmoment-Schraubenschlüssel

Country Status (2)

Country Link
EP (1) EP0671243A1 (de)
GB (1) GB9403995D0 (de)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860871A (en) * 1930-11-06 1932-05-31 Wilfred A Pouliot Safety wrench
CH275537A (de) * 1949-03-08 1951-05-31 Leslie Keen Frank Schraubenschlüssel mit einstellbarem Drehmoment.
DE820275C (de) * 1950-09-23 1951-11-08 Albert Thode & Co Grenzkraft-Schraubenschluessel
FR1026297A (fr) * 1950-10-20 1953-04-27 Perfectionnements aux clés de serrage à limiteur d'effort
FR60778E (fr) * 1950-10-06 1955-01-26 Clé dynamométrique
GB767366A (en) * 1954-01-05 1957-01-30 Jean Dubernet Improvements in or relating to torque spanners
GB1249590A (en) * 1970-03-02 1971-10-13 M H H Engineering Company Ltd Torque wrench
US4485703A (en) * 1983-05-20 1984-12-04 Consolidated Devices, Inc. Torque wrench
EP0274576A2 (de) * 1987-01-16 1988-07-20 Consolidated Devices, Inc. Handgriff für Schraubenschlüssel
WO1994005463A1 (en) * 1992-08-31 1994-03-17 Sandvik Ab Lockable spring tightening device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1860871A (en) * 1930-11-06 1932-05-31 Wilfred A Pouliot Safety wrench
CH275537A (de) * 1949-03-08 1951-05-31 Leslie Keen Frank Schraubenschlüssel mit einstellbarem Drehmoment.
DE820275C (de) * 1950-09-23 1951-11-08 Albert Thode & Co Grenzkraft-Schraubenschluessel
FR60778E (fr) * 1950-10-06 1955-01-26 Clé dynamométrique
FR1026297A (fr) * 1950-10-20 1953-04-27 Perfectionnements aux clés de serrage à limiteur d'effort
GB767366A (en) * 1954-01-05 1957-01-30 Jean Dubernet Improvements in or relating to torque spanners
GB1249590A (en) * 1970-03-02 1971-10-13 M H H Engineering Company Ltd Torque wrench
US4485703A (en) * 1983-05-20 1984-12-04 Consolidated Devices, Inc. Torque wrench
EP0274576A2 (de) * 1987-01-16 1988-07-20 Consolidated Devices, Inc. Handgriff für Schraubenschlüssel
WO1994005463A1 (en) * 1992-08-31 1994-03-17 Sandvik Ab Lockable spring tightening device

Also Published As

Publication number Publication date
GB9403995D0 (en) 1994-04-20

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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18D Application deemed to be withdrawn

Effective date: 19960314