Light-weight jam-clamp and combination

Details Light-weight jam-clamp and combination Light-weight jam-clamp and combination

1980-05-08

1982-06-29

Watson, Robert C.

Work holders

Relatively movable jaws

Means for direct manual adjustment of jaw

269254R, 269238, B25B 502

Patent

active

043369278

ABSTRACT:
There is provided a light-weight jam clamp in which the clamp is set by a tool and released by the same, or another tool. The tool forces one element of the clamp down against the work piece and causes it to jam on another element of the clamp. The setting tool can be an expansion bit pliers or a contraction bit pliers and the releasing tool is an expansion bit pliers. One face of the other element has serried lands to effect a positive jam action and prevent accidental dislodgment of the jam.

REFERENCES:
patent: 1617703 (1927-02-01), Christianson
patent: 1760346 (1930-05-01), Correa
patent: 2487997 (1949-11-01), West
patent: 2887110 (1959-05-01), Roeschmann

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