Plate handling apparatus with load deflection compensation

Details Plate handling apparatus with load deflection compensation Plate handling apparatus with load deflection compensation

1977-06-20

1978-12-12

Cherry, Johnny D.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Frames

B66C 102

Patent

active

041293282

ABSTRACT:
The invention relates to plate handling apparatus of the type essentially comprising a plurality of vacuum suction cups for gripping a sheet of metal, plastic, glass or the like and wherein power cylinders respectively support and power the suction cups for bodily movement to and from a plate to be lifted and wherein additionally, the suction cups are attached to the end of their piston rod by a ball and socket connection with a member being provided to prevent rotation while permitting swivelling action.

REFERENCES:
patent: 1110409 (1914-09-01), Sutherland
patent: 1228690 (1917-06-01), Monnet
patent: 1373997 (1921-04-01), Debaecker
patent: 1959216 (1934-05-01), Owen
patent: 2359433 (1944-10-01), McNamara
patent: 2622750 (1952-12-01), Ehlers
patent: 2890077 (1959-06-01), Littell
patent: 2941675 (1960-06-01), Noble et al.
patent: 3223442 (1965-12-01), Fawdry et al.
patent: 3361280 (1968-01-01), Traver

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