Work holders – Relatively movable jaws – Plural jaw pairs – angularly oriented – for common work
Patent
1985-08-07
1988-06-14
Schmidt, Frederick R.
Work holders
Relatively movable jaws
Plural jaw pairs, angularly oriented, for common work
269155, 269244, 269271, 269282, B25B 110
Patent
active
047507225
ABSTRACT:
In precision machining, a workpiece can be rapidly located with respect to three mutually perpendicular datum planes by positioning it within both a main machine vise and a supplemental machine vise held within the main machine vise, with the supplemental machine vise being one that has an overall length extending beyond the grip of the main machine vise, ground and polished planar side surfaces adapted to be positioned so that one of them is in contact with the substantially planar ground and polished bed surface of the main machine vise, and a ground and polished substantially planar base surface on the supplemental vise, which is adapted to be abutted, usually but not necessarily in a vertical position, against the working interior face of the fixed jaw of the main machine vise. The supplemental vise may be either secured to the fixed jaw in the same manner that its removable jaw plate would be, if it were present, or by bolting or otherwise securing it to a retainer member located exteriorly of the fixed jaw of the main machine vise.
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Schad Steven P.
Schmidt Frederick R.
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