Work holders – With fluid means – With movable diaphragm
Patent
1983-01-11
1985-04-02
Watson, Robert C.
Work holders
With fluid means
With movable diaphragm
269254CS, 269152, 269266, 269287, 269329, B23K 1900, B25B 124
Patent
active
045083266
ABSTRACT:
A pressure clamping structure for irregular workpieces includes initial locator points for positioning a part, multiple, opposed and spaced pressure discs operated by fluid pressure to engage the part and secure it in the located position, and spring backed support jacks engaging the part which are pressure locked in position to insure a rigid locking of the part for purposes of metal removal by machining or grinding. In addition, flexible pressure walls extending over areas of the workpiece are pressurized to further stabilize the workpiece and prevent vibration during the work operation.
REFERENCES:
patent: 2379220 (1945-06-01), Englehart
patent: 2882771 (1959-04-01), Blazek
patent: 3140087 (1964-07-01), Heath et al.
patent: 3237252 (1966-03-01), Ratcliffe
patent: 3358335 (1967-12-01), Ralphs et al.
patent: 3608809 (1971-09-01), Cushman
patent: 3990692 (1976-11-01), Wolverton
patent: 4047709 (1977-09-01), Thyberg et al.
patent: 4200272 (1980-04-01), Godding
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