Palletizer with controlled stack density

Details Palletizer with controlled stack density Palletizer with controlled stack density

1977-05-09

1979-01-02

Makay, Albert J.

214 6H, B65G 5724

Patent

active

041323211

ABSTRACT:
Disclosed is a pallet loader in which each tier of a stack of flattened corrugated containers is placed on an extended, but horizontally retractable, stripping plate which when retracted drops the tier on a vertically movable elevator bed positioned below the stripping plate. The elevator bed then lowers until the path for horizontal extension of the stripping plate is cleared and the stripping plate then extends to receive the next tier. The apparatus differs from the prior art in that a control provides for an additional upward motion of the elevator for an adjustable time interval, thereby packing or pressing the just-lowered tier against the underside of the extended stripper plate, thereby reducing the "fluff" or looseness in the stacked tier.

REFERENCES:
patent: 3567046 (1971-03-01), Reist
patent: 3651962 (1972-03-01), Arnemann
patent: 3698572 (1972-10-01), Dahlem et al.
patent: 3986621 (1976-10-01), Bowser

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