Clamp

Details Clamp Clamp

1975-08-06

1976-06-22

Lake, Roy

Work holders

Relatively movable jaws

Means to actuate jaw

269228, 269236, 269256, B25B 512

Patent

active

039647382

ABSTRACT:
A pair of work engaging jaws of a clamp device are interconnected by linkages forming part of a manually operable force multiplying mechanism. A movable work engaging element mounted by one of the jaws, is actuated by a grip lever from a retracted position into engagement with a workpiece. An over-center linkage transmits the actuating force against the resistance of a spring to prevent return of the grip lever from its actuated position. A release lever is actuated to cam the grip lever and retract the work engaging element.

REFERENCES:
patent: 221611 (1879-11-01), Ringstad
patent: 1259218 (1918-03-01), Eriksen
patent: 1372833 (1921-03-01), Saver
patent: 2592807 (1952-04-01), Jones
patent: 3093378 (1963-06-01), Aulner
patent: 3210070 (1965-10-01), Lagana
patent: 3263430 (1966-08-01), Bryan

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