Apparatus for sucking by negative pressure

Details Apparatus for sucking by negative pressure Apparatus for sucking by negative pressure

1992-09-22

1994-09-13

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

269 74, B25B 1100

Patent

active

053461932

ABSTRACT:
An apparatus for securing an article in a fixed position using a plurality of holders is provided. Each of the holders includes a hollow piston that is slidably mounted in the holder and is movable to ascended and descended positions. Each holder includes a suction cup at one end and an opening at the other end. A vacuum at the suction cups in sealing engagement with the article permits the holder to maintain the article in a fixed position. The piston of each holder that is not required to secure the article may be moved to the descended position. The piston may then be clamped in the descended position by engaging a hook mounted on the holder to a pin mounted on the piston.

REFERENCES:
patent: 4088312 (1978-05-01), Frosch et al.
patent: 4491306 (1985-01-01), Eickhorst
patent: 4527783 (1985-07-01), Collora et al.
patent: 4530635 (1985-07-01), Engelbrecht et al.
patent: 4656791 (1987-04-01), Herrington et al.

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