Work holders – Relatively movable jaws – Jaw features
Patent
1983-12-22
1986-12-30
Schmidt, Frederick R.
Work holders
Relatively movable jaws
Jaw features
269258, 269265, B25B 124
Patent
active
046323759
ABSTRACT:
A clamping device of the type having a pair of clamping jaws mounted on a base, wherein one of said jaws is laterally movable in a direction towards and away from the other jaw, and wherein the other jaw includes a pair of movable clamping jaws arranged laterally of one another. Each movable jaw is multi-layered and includes a pair of movable, pivotable clamping claws spaced vertically of one another. Said clamping claws are each provided with forward multi-faceted portions including at least a pair of planar clamping faces arranged transversely of one another. A non-movable supporting ring member is interposed between the pair of clamping claws. This support member has a forward portion extending substantially inwardly of the multi-faceted planar faces of the respective movable clamping claws. The support member further has a rearward portion provided with a flat edge for bearing against an upwardly-extending base member.
REFERENCES:
patent: 1249207 (1917-12-01), Ruff
patent: 2541605 (1951-02-01), Ohlsson
patent: 2724269 (1955-11-01), Parrish et al.
patent: 4291870 (1981-09-01), Warde
Bloom Leonard
Schad Steven P.
Schmidt Frederick R.
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