Door support clamp

Details Door support clamp Door support clamp

1991-09-19

1992-11-17

Watson, Robert C.

Work holders

Relatively movable jaws

With means to fasten holder to support

269243, 269274, B25B 510

Patent

active

051636611

ABSTRACT:
A device for supporting and clamping workpieces, such as doors or boards, against the ends of vertically-set sawhorses legs in such a way that the edge of such workpieces is located at a convenient working height. Such operations as planing, hinge mortising, routing, belt sanding or the like are facilitated by this arrangement.
An internally threaded tube (20) accepts at one end a bolt (40) carrying leg clamping jaw (32). At the other end the tube (20) accepts another bolt (54) carrying a movable elongated door clamping jaw (44). A third, non-movable leg clamping jaw (26) is affixed to tube (20) about 76.2 mm (3") from jaw (32). The entire door support clamp is clamped to a sawhorse leg between jaws (32) and (44), resulting in the remaining portion of tube (20) being cantilevered out beyond the sawhorse leg. This resultant cantilevered support area (60) of tube (20) is then available for support of workpieces with clamping readily available by jaw (44).

REFERENCES:
patent: 2450994 (1948-10-01), Schaefer
patent: 2468358 (1949-04-01), Clark
patent: 2781803 (1957-02-01), Nelson
patent: 3061302 (1962-10-01), Dennis
patent: 3957261 (1976-05-01), Hefel
patent: 4834352 (1989-05-01), Thornton

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