Vacuum operated holding fixture

Details Vacuum operated holding fixture Vacuum operated holding fixture

1978-11-09

1980-09-09

Foss, J. Franklin

Supports

Vacuum

269 21, A45D 4214

Patent

active

042213568

ABSTRACT:
A holding fixture is operated by vacuum and consists of a plurality of suction assemblies mounted on a carrier. Each suction assembly forms an independent unit and operates as an automatic valve to disconnect itself from a common vacuum source when the vacuum is broken. To this end each suction assembly is mounted on a common carrier and disposed in a hollow chamber. It includes a flexible member capable of being sucked into the chamber by a pressure differential thereacross to disconnect the particular assembly from the vacuum. The sealing means may consist of a suction cup or O-rings. The movable member may consist of a flexible plastic or a movable disk.

REFERENCES:
patent: 2694337 (1954-11-01), Anander
patent: 2910265 (1959-10-01), Anander
patent: 3190460 (1965-06-01), Rubin
patent: 3307817 (1967-03-01), Cocito
patent: 3307819 (1967-03-01), Cocito
patent: 3335994 (1967-08-01), Cocito
patent: 3460822 (1969-08-01), Link
patent: 3484093 (1969-12-01), Mermelstein
patent: 3602543 (1971-08-01), Sjodin
patent: 3720433 (1973-03-01), Rosfelder
patent: 4089603 (1978-05-01), Jacobs

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