Trigger release clamp

Details Trigger release clamp Trigger release clamp

1982-01-11

1984-04-24

Watson, Robert C.

Work holders

Relatively movable jaws

With tool couple element

269 93, 269157, 269228, 228 49R, 83384, B25B 100

Patent

active

044443790

ABSTRACT:
A welding fixture mounts a self-clearing workpiece clamp having an arm that is pivotally mounted on the fixture and carries over-center toggle linkage for a clamp jaw. A trigger connected to the linkage is engaged by a moving welding head for releasing the clamp jaw, whereupon a spring swings the clamp arm clear of the welding head.

REFERENCES:
patent: 1759036 (1930-05-01), Brantingham
patent: 1938771 (1933-12-01), Archea
patent: 2567436 (1951-09-01), Lampe
patent: 2579675 (1951-12-01), Kaplan et al.
patent: 2888052 (1959-05-01), Reason
patent: 3099182 (1963-07-01), Alverson
patent: 3237463 (1966-03-01), McPherson
patent: 3362301 (1968-01-01), Kohlitz
patent: 3393594 (1968-07-01), Wallis
patent: 3782712 (1974-01-01), Blatt
patent: 3912251 (1975-10-01), Fraser et al.
patent: 3924844 (1975-12-01), Bachtel, Jr.
patent: 4036091 (1977-07-01), Borzym
patent: 4141543 (1979-02-01), Kato
patent: 4331326 (1982-05-01), Strouss

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