Vacuum suspension for hoisting plates

Details Vacuum suspension for hoisting plates Vacuum suspension for hoisting plates

1977-10-13

1979-05-22

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Frames

B66C 102

Patent

active

041555830

ABSTRACT:
A vacuum suspension for handling large size plates, especially concrete building parts that are still of low strength and brittle. The suspension is a stiff case forming the carrying structure frame having the vacuum pumps on its top. The inside of the case is divided by a baffle into a work vacuum chamber and decompression chamber. The latter is separated by a holed plate from a foam rubber sheet, having suction cups shaped therein. The holed plate of the suspension has self controlled fluidic disk valves of low inertia.

REFERENCES:
patent: 3523707 (1970-08-01), Roth
patent: 3591228 (1971-07-01), Webb

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