Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent
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
Gatzemeyer Dwight L.
Sorensen Joseph A.
Peterson Manufacturing Co., Inc.
Smith James G.
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