Quick release pipe vise

Details Quick release pipe vise Quick release pipe vise

1975-11-12

1976-07-27

Smith, Al Lawrence

Work holders

Relatively movable jaws

Means to actuate jaw

269321N, B25B 114

Patent

active

039715523

ABSTRACT:
A quick release pipe vise having a base plate with a set of lower jaws secured thereto. An upper jaw frame is pivotally secured to the base plate and carries a screw adjustable upper jaw which can be brought into clamping relation with the lower jaw when the upper jaw frame is locked in its upper position. An over dead center linkage extends from the upper part of the frame to the base plate and when in over center locked position rigidly secures the upper jaw frame in its upright operative position. A handle on the over center linkage permits the linkage to be moved out of its locked over center position to pivot the upper jaw frame away from its upright position to thus move the upper jaw away from the lower jaw to release pipe clamped therebetween.

REFERENCES:
patent: 2466937 (1949-04-01), Downs
patent: 2855964 (1958-10-01), Zelazny
patent: 2921486 (1960-01-01), Burke

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