Stacker crane construction

Details Stacker crane construction Stacker crane construction

1975-03-27

1977-01-18

Schwadron, Martin P.

Expansible chamber devices

Relatively movable working members

Moving cylinders

91167R, 91217, 92140, 92146, 214730, F01B 1500

Patent

active

040032965

ABSTRACT:
A stacker crane storage arrangement wherein a tray is supported for reversible extension transversely of a tower which is movable on a track, so as to deposit cargo laden pallets in cells or cubicles of open sides storage grids on both sides of the track. The tray of the tower is movable by a compact mechanism, utilizing telescopically and reversibly extending drive members carried by pairs of cantilever beams and driven by sprocket chains and hydraulic cylinders in a dual system which effects reversible motion of a tray to either side of the tower. The telescopic tray mechanism provides for moving a cargo laden tray to either a part distance or a full distance transversely of the tower, so that pallets can be stored in or retrieved from double depth storage grids. The specific racks or cells can hold two pallets in tandem, there being a first pallet position and a second pallet position in each cell. The arrangement and construction has features whereby very tall towers are usable.

REFERENCES:
patent: 2937003 (1960-05-01), Croll
patent: 2997988 (1961-08-01), Dorkins
patent: 3368478 (1968-02-01), Clar
patent: 3477229 (1969-11-01), Katko
patent: 3485323 (1969-12-01), Ulinski
patent: 3541949 (1970-11-01), Clar

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