Vacuum suction device

Details Vacuum suction device Vacuum suction device

2008-10-17

2010-12-07

Chin, Paul T (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

Reexamination Certificate

active

07845697

ABSTRACT:
A vacuum suction device includes an inner cylindrical body, an outer enclosure, a vacuum pump, an ion generator, and a vacuum picking member. The inner cylindrical body has a through hole defined therein. The inner cylindrical body is received in a through hole of the outer enclosure and is rotatable relative to the outer enclosure such that the through hole alternatively couples the vacuum picking member to one of the vacuum pump and the ion generator. The vacuum pump is coupled to the third through opening of the outer enclosure. The ion generator is coupled to the second through opening of the outer enclosure. The vacuum picking member is configured for picking a workpiece, the vacuum picking member being coupled to the first through opening of the outer enclosure.

REFERENCES:
patent: 3608946 (1971-09-01), Erickson et al.
patent: 3720433 (1973-03-01), Rosfelder
patent: 4428815 (1984-01-01), Powell et al.
patent: 6213528 (2001-04-01), Hufken et al.
patent: 6336492 (2002-01-01), Nagaoka
patent: 6609741 (2003-08-01), Kim
patent: 6979032 (2005-12-01), Damhuis
patent: 7661736 (2010-02-01), Schmalz et al.

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