GB815667A - Improvements in or relating to pliers or wrenches - Google Patents

Improvements in or relating to pliers or wrenches

Info

Publication number
GB815667A
GB815667A GB174457A GB174457A GB815667A GB 815667 A GB815667 A GB 815667A GB 174457 A GB174457 A GB 174457A GB 174457 A GB174457 A GB 174457A GB 815667 A GB815667 A GB 815667A
Authority
GB
United Kingdom
Prior art keywords
pivoted
operating lever
arm
handle member
toggle
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
GB174457A
Inventor
Edwin Richard Varney
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.)
E R VARNEY Ltd
Original Assignee
E R VARNEY Ltd
Filing date
Publication date
Application filed by E R VARNEY Ltd filed Critical E R VARNEY Ltd
Publication of GB815667A publication Critical patent/GB815667A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • B25B7/123Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears with self-locking toggle levers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

815,667. Wrenches. VARNEY Ltd., E. R. Jan. 31, 1958 [Jan. 17, 1957], No. 1744/57. Class 61. In a wrench comprising a handle member 10 carrying a fixed jaw 11, a movable jaw 12 pivoted to the handle member at 14, an operating lever 17 pivoted at 18 to the movable jaw 12 and a toggle arm 27, the toggle arm is pivoted to the operating lever 17 at 30, the bent end 28 of the toggle arm being pivoted at 29 to a slider 24 which engages an adjustable abutment screw 26 threading in the end of the handle 10 and a release lever 34 is provided. The slider 24 is in the form of a short piston and fits the cross section of a cavity 23 within the handle member. The release lever 34 is pivoted at 37 to the toggle link 27, has a long arm which extends between the handles and a short arm 38 which engages the inside edge 39 of the operating lever 17. The jaws are urged apart by a spring 32 and a spring 42 urges the release lever towards the operating lever 17. The jaws 11, 12 have serrated surfaces and are firmly backed by the stiff U-sections of the members 10, 13 into which they fit and are secured as by riveting.
GB174457A 1957-01-17 Improvements in or relating to pliers or wrenches Expired GB815667A (en)

Publications (1)

Publication Number Publication Date
GB815667A true GB815667A (en) 1959-07-01

Family

ID=1626962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB174457A Expired GB815667A (en) 1957-01-17 Improvements in or relating to pliers or wrenches

Country Status (1)

Country Link
GB (1) GB815667A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306143A (en) * 1965-06-18 1967-02-28 Ira J Warner Vise grip pliers having toggle release means
GB2168281A (en) * 1984-12-13 1986-06-18 Weatherford Uk Limited Apparatus for rotating a tubular member
US4889022A (en) * 1988-03-11 1989-12-26 Peviani Thomas P Quick releasable vice-grip pliers
CN104827412A (en) * 2014-02-12 2015-08-12 吴丽珠 Universal clamp structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306143A (en) * 1965-06-18 1967-02-28 Ira J Warner Vise grip pliers having toggle release means
GB2168281A (en) * 1984-12-13 1986-06-18 Weatherford Uk Limited Apparatus for rotating a tubular member
US4889022A (en) * 1988-03-11 1989-12-26 Peviani Thomas P Quick releasable vice-grip pliers
CN104827412A (en) * 2014-02-12 2015-08-12 吴丽珠 Universal clamp structure

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