Vacuum lifting device

Details Vacuum lifting device Vacuum lifting device

1984-08-30

1986-06-10

Marbert, James B.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B66C 102

Patent

active

045939470

ABSTRACT:
A vacuum lifting device utilizing a selectively releaseable suction cup with a handle engagable on smooth surfaced articles to be moved. The vacuum lifting device is disengaged from the article by selectively venting the suction cup to atmosphere.

REFERENCES:
patent: 1400573 (1921-12-01), Stader
patent: 2209424 (1940-07-01), Shipman et al.
patent: 2303393 (1942-12-01), Schmidt
patent: 2607620 (1952-08-01), Oliveri
patent: 3262585 (1966-07-01), Olson

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