Work holders – With fluid means
Patent
1984-11-20
1986-09-09
Watson, Robert C.
Work holders
With fluid means
B23Q 700
Patent
active
046104402
ABSTRACT:
The invention relates to a workpiece-holding device provided with fastening means for fastening, by tightening, clamping or the like, the workpiece through the medium of compressed-fluid power-cylinders incorporated in the device, fed from the fluid pressure generator actuated by a source of power comprising said pressure generator incorporated in the device, the source of power being also advantageously incorporated in the device which is thereby self-contained and of reduced overall dimensions. Moreover, at least one valve assembly for the delivery of compressed fluid from the pressure generator at a predetermined pressure may be associated individually with one of the power-cylinders so that each power-cylinder operates either at a pressure independent of the operating pressure of the other power-cylinders or at different times. The invention is useful particularly for machines.
REFERENCES:
patent: 3863890 (1975-02-01), Ruffing
patent: 3945610 (1976-03-01), Solie et al.
patent: 4143868 (1979-03-01), Bergman
patent: 4174828 (1979-11-01), Bergman
patent: 4179106 (1979-12-01), Bergman
patent: 4247306 (1981-01-01), Berge
patent: 4489523 (1984-12-01), Webster
Mors
Watson Robert C.
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