Pliers for gripping workpieces of different sizes

Tools – Tool jaw – Adjustable relationship between jaw

Patent

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Details

814095, 81427, B25B 704

Patent

active

058507680

ABSTRACT:
A pair of pliers includes a handle member having an intermediate portion slidably engaged in an intermediate portion of another handle member which has a rack located closer to the handle end. A pawl is pivotally secured on the handle member for engaging with the rack so as to secure the intermediate portions of the handle members together when the jaw ends are engaged with the workpiece. Two panels and a plate are pivotally mounted between the first and second handle members, and a torsion spring is mounted between the two panels to provide a reliable operation.

REFERENCES:
patent: 434409 (1890-08-01), Sutton et al.
patent: 561340 (1896-06-01), Rice
patent: 883237 (1908-03-01), Reif, Jr.
patent: 2144180 (1939-01-01), Cruickshank
patent: 3232152 (1966-02-01), Miller
patent: 4651598 (1987-03-01), Warheit
patent: 4662252 (1987-05-01), Warheit

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