Fluid operated clamping device including fluid pressure locking

Details Fluid operated clamping device including fluid pressure locking Fluid operated clamping device including fluid pressure locking

1988-10-06

1989-06-13

Watson, Robert C.

Work holders

With fluid means

With safety means

269 32, 269 94, B25B 506

Patent

active

048385328

ABSTRACT:
Apparatus for gripping a workpiece including a pneumatic cylinder assembly having a locking valve for selectively locking air in the pneumatic cylinder to thereby maintain the gripping apparatus in clamped engagement with a workpiece.

REFERENCES:
patent: 2585045 (1952-02-01), Schmidlin
patent: 2959188 (1960-11-01), Kepner
patent: 3229721 (1966-01-01), Bingel
patent: 3335750 (1967-08-01), Kepner
patent: 3792715 (1974-02-01), Parrett et al.
patent: 3817154 (1974-06-01), Martin
patent: 3967817 (1976-07-01), McClocklin
patent: 3975987 (1976-08-01), Panis
patent: 3980336 (1976-09-01), Bitonti
patent: 4018136 (1977-04-01), Kaetterhenry
patent: 4172582 (1979-10-01), Bobnar
patent: 4192338 (1988-03-01), Gerulis
patent: 4445666 (1984-05-01), McDermott
patent: 4531449 (1985-07-01), Reith
patent: 4576367 (1986-03-01), Horn et al.
patent: 4667570 (1987-05-01), Jensen, Jr. et al.
Legris Inc., Blocking Fitting, catalogue.

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