Work holders – With fluid means – Vacuum-type holding means
Patent
1995-05-17
1999-10-26
Watson, Robert C.
Work holders
With fluid means
Vacuum-type holding means
269 61, B25B 1100
Patent
active
059713810
ABSTRACT:
A cross-beam for a vacuum hold-down table formed by a monoblock section upon which a vacuum hold-down table is fitted and movable on slides. The monoblock section houses a first tubular chamber which extends along its length and is connected to external vacuum source. A part of the first chamber has an opening on which a magnetic seal with a plurality of evenly distributed holes is placed and fitted over this seal on the outside of the monoblock section first chamber is a deformable strip of magnetic material which is movable from one position which closes the first chamber to another position which opens the said chamber during the passage of a deflector unit on the strip which is fixed to the vacuum hold-down table and connects the first chamber and vacuum hold-down table at any point on the monoblock section.
REFERENCES:
patent: 4527783 (1985-07-01), Collara
patent: 4984960 (1991-01-01), Szarka
patent: 5010295 (1991-04-01), Lindsay
patent: 5116174 (1992-05-01), Fried et al.
patent: 5415691 (1995-05-01), Fujiyama et al.
SCM Group S.p.A
Watson Robert C.
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