Adjustable locking pliers

Details Adjustable locking pliers Adjustable locking pliers

1996-06-05

1999-11-30

Smith, James G.

Tools

Tool jaw

Jaw-actuating means

81324, 81349, 81374, B25B 712

Patent

active

059922737

ABSTRACT:
An improved set of adjustable locking pliers having two pivotally mounted jaws. A lock lever is pivotally mounted to one handle member and slidably retained in the longitudinal grooved portion of the opposite handle, and an adjustment screw threaded longitudinally into the grooved handle member bears upon the sliding end of the lever. Handle members are pivotally connected to retaining plates, said plates having a pin projecting between them with the jaws pivotally mounted and laterally disposed thereon. The gripping surfaces of the jaws interlock above the pin and meet flush in the locked position. The handle member having the adjustment screw has a curved end which spreads the bottom of the jaws apart in the locked position, thereby forcing the gripping surfaces together.

REFERENCES:
patent: 673605 (1901-05-01), Jacques
patent: 1455297 (1923-05-01), Lyons et al.
patent: 1483497 (1924-02-01), Whitfield
patent: 2312947 (1943-03-01), Westman
patent: 2320303 (1943-05-01), Ross
patent: 2443153 (1948-06-01), Wells
patent: 2584353 (1952-02-01), Keiser
patent: 2643567 (1953-06-01), Johnson
patent: 3824882 (1974-07-01), Burthart

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