Work holders – Relatively movable jaws – Means for direct manual adjustment of jaw
Patent
1978-10-16
1980-01-15
Watson, Robert C.
Work holders
Relatively movable jaws
Means for direct manual adjustment of jaw
269239, 269249, B25B 112
Patent
active
041835123
ABSTRACT:
A clamping apparatus is actuated to clamping position by a reciprocating elongated member having a clutch mechanism which either permits or does not permit reciprocation of the elongate member according to the rotative position of the elongate member in the clutch and a screw means for advancing the clamping face when the unit formed by the clutch in engagement with the elongate member is rotated. The clutch is designed so that it does not disengage until after a workpiece is unclamped.
REFERENCES:
patent: 2138245 (1938-11-01), Smith
patent: 3909889 (1975-10-01), Emerson
Goff Gerald W.
Goff Melvin J.
Continental Pump, Inc.
Hueschen Gordon W.
Watson Robert C.
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