Apparatus for palletizing stacks of paper sheets and the like

Details Apparatus for palletizing stacks of paper sheets and the like Apparatus for palletizing stacks of paper sheets and the like

1989-09-05

1991-09-24

Werner, Frank E.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

414676, 4147922, 4147942, 414903, B65G 5722

Patent

active

050510584

ABSTRACT:
A palletizing apparatus for stacks of paper sheets has a set of conveyors which deliver a succession of individual stacks or groups of two or more stacks to a palletizing station and onto an air cushion which is defined by two plenum chambers of a table. The palletizing station is equipped with pairs of stops which orient the stacks on the table in the direction of delivery of stacks as well as at right angles to such direction. The plenum chambers are retracted from the palletizing station when the orientation of stacks thereon is completed, and the stack or stacks then descend onto a pallet which is held in a position of readiness on the platform of a raised elevator below the palletizing station. The platform is provided with devices for shifting and/or rotating a pallet thereon to a desired position. The elevator is lowered stepwise to accumulate several layers of stacks and ultimately reaches the level of a receiving conveyor which accepts the loaded pallet. Empty pallets are delivered to the platform by a further conveyor which is located at the level of the receiving conveyor.

REFERENCES:
patent: 2675928 (1954-04-01), Slater
patent: 2942717 (1960-06-01), Raynor
patent: 2960243 (1960-11-01), Beaulieu
patent: 3090503 (1963-05-01), Curtenius
patent: 3257015 (1966-06-01), Annable et al.
patent: 3612300 (1971-10-01), Berghgracht
patent: 4055256 (1977-10-01), Hagedorn
patent: 4255074 (1981-03-01), Meratti et al.
patent: 4708564 (1987-11-01), Mylrea et al.

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