Work holders – Relatively movable jaws – Means for direct manual adjustment of jaw
Patent
1978-06-13
1980-03-04
Watson, Robert C.
Work holders
Relatively movable jaws
Means for direct manual adjustment of jaw
269283, 308 3A, B25B 102
Patent
active
041913671
ABSTRACT:
Vise jaws are mounted on supporting jaw structures by interfitting dovetail formations which taper to draw the jaws into tight-fitting engagement with their supporting jaw structures while also serving to accurately position and orient the jaws relative to their supporting jaw structures. The jaw mounting system utilizing these interfitting dovetail formations is particularly well adapted for use on a fluid-operated vise of a modular type. The preferred vise construction includes an elongate base structure having a generally rectangular top surface with an elongate undercut groove formed in the base structure and opening through the top surface. The jaw structures are supported on the top surface and are movably positionable therealong. In preferred practice, one of the jaw structures includes a fluid-operated movable component. This component and the other jaw structures are each provided with a jaw mounting surface. The jaw mounting surfaces face toward each other and the jaws are each mounted on a separate one of the mounting surfaces. In preferred practice, downwardly facing elongate grooves are formed in bottom portions of the jaw structures and communicate along their lengths with the undercut groove. Elongate key members are positioned in the communicating grooves to maintain proper alignment of the base and jaw structures. The key members also form parts of clamping systems which are operable to releasably retain the jaw structures in place at selected positions along the length of the top surface.
REFERENCES:
patent: 1195339 (1916-08-01), Codding et al.
patent: 1579582 (1926-04-01), Voltz
patent: 1883335 (1932-10-01), Braden
patent: 3002726 (1961-10-01), Ford
patent: 3767183 (1973-10-01), Gelder
Sheterom, Jr. Samuel G.
Speiser Arthur S.
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