Quick-action bar clamp

Details Quick-action bar clamp Quick-action bar clamp

1988-08-19

1990-05-22

Parker, Roscoe V.

Tools

Hand held holder or having clamp

269169, 269166, 269 6, B25B 502

Patent

active

049267221

ABSTRACT:
A bar 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 grip, releasably engages the slide bar and advances the movable jaw toward the fixed jaw. Return motion of the movable jaw is accomplished manually when the one-way drive means is disengaged. A braking lever, biased to bind against the slide bar, prevents reverse motion of the movable jaw except when disengaged from the slide bar. The trigger handle advances the slide bar by driving a second lever which binds against a slide bar surface. The second lever returns by spring force to its original position after each stroke of the trigger handle.

REFERENCES:
patent: 3096975 (1963-07-01), Irwin
patent: 4220322 (1980-09-01), Hobday
Rhombus Pamphlet, Rhombus Tool Limited.

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