Work holders – Relatively movable jaws – With means to align coacting jaw faces
Patent
1985-08-19
1987-03-03
Watson, Robert C.
Work holders
Relatively movable jaws
With means to align coacting jaw faces
269152, 269164, 269155, 269219, 269258, B25B 100
Patent
active
046470280
ABSTRACT:
A pair of clamp claw assemblies are mounted on the frame of a workbench. At least one clamp claw assembly is movable in a substantially horizontal plane laterally of the workbench and in a direction towards and away from the other clamp claw assembly. Each clamp claw assembly has a pair of substantially parallel threaded rods rotatably mounted on the frame. A pair of threaded blocks are carried on the rods, and a clamp claw is pivotably mounted about a substantially vertical axis on each block, such that the clamp claws are pivotably independently of one another. In a preferred embodiment, four clamp claws are provided; and the threaded rods have respective handles disposed on the same side of the workbench frame.
REFERENCES:
patent: 368278 (1887-08-01), Cheney
patent: 807788 (1905-12-01), Stetler
patent: 2322380 (1943-06-01), Mosley
patent: 2594794 (1952-04-01), Mull
patent: 3977662 (1976-08-01), Cook
patent: 4527786 (1985-07-01), Hsu
Bloom Leonard
Watson Robert C.
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