Work holders – With fluid means – Vacuum-type holding means
Patent
1990-07-26
1992-05-05
Hartman, J. J.
Work holders
With fluid means
Vacuum-type holding means
269 71, B25B 1100
Patent
active
051100983
ABSTRACT:
Disclosed is a universal platen holddown apparatus that includes a first plate rotatable about its central axis, and a second plate that is rotatable about its own central axis. The first plate is mounted within the second plate so that rotation of the second plate results in the eccentric rotation of a vacuum suction cup 14 mounted at or near a rim of the first plate. This arrangement allows the suction cup to be moved to any location within the boundaries of the second plate.
REFERENCES:
patent: 2691937 (1954-10-01), Emerson
patent: 4183545 (1980-01-01), Daly
Baker William L.
Hartman J. J.
W. R. Grace & Co.,-Conn.
Wasatonic John J.
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