Air-suction lifter

Details Air-suction lifter Air-suction lifter

1988-07-11

1990-04-17

Focarino, Margaret A.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

B66C 102

Patent

active

049174274

ABSTRACT:
An air suction, or vacuum, lifter for moving goods in non-rigid packaging such as sacks or the like; it consists of two air suction compartments, the smaller of which is contained within the larger one. Such chambers are open on the side which comes into contact with the package to be lifted and the lower edges of their side walls are equipped with an air-tight seal with the surface of said packages. Conduits and parts are provided for connecting, directly or indirectly, the air chambers with a source of vacuum and if necessary with each other.

REFERENCES:
patent: 1069705 (1913-08-01), Williams et al.
patent: 3326706 (1968-01-01), Busse
patent: 4505505 (1985-03-01), Senaratne
patent: 4728135 (1988-03-01), Sugimura et al.

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