Hand tool or improved bar clamp

Details Hand tool or improved bar clamp Hand tool or improved bar clamp

1990-02-14

1991-04-09

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81487, 81182, 269169, B25B 1312, B25B 502

Patent

active

050054490

ABSTRACT:
A hand tool or clamp, which is operable with one hand, includes a fixed jaw and a movable jaw. The movable jaw connects at one end to a movable slide bar. One way drive means, by operation of a trigger handle, releasably engages the slide bar with advances the movable jaw toward the fixed jaw or away from the fixed jaw. Disengagement of the one way drive means will allow for manual return movement of the movable jaw.

REFERENCES:
patent: 753837 (1904-03-01), Barcus
patent: 1739488 (1929-12-01), Thayer
patent: 2149541 (1939-03-01), Nagle
patent: 3096975 (1963-07-01), Irwin
patent: 4563921 (1986-01-01), Wallace
patent: 4926722 (1990-05-01), Sorensen et al.
patent: 4932638 (1990-06-01), Chen

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