Material or article handling – With weighing
Patent
1981-12-30
1984-03-27
Spar, Robert J.
Material or article handling
With weighing
414 68, 414 82, 53535, 53540, B65G 5706
Patent
active
044390840
ABSTRACT:
An automatic palletizer for newspaper bundles is disclosed. Bundles arriving on an infeed conveyor are oriented according to a predetermined stacking pattern. A row staging area receives the oriented bundles, and a row sweep moves completed bundles into a layer staging area. A reciprocating layer sweep has a blade that can be raised or lowered to move completed layers from the layer staging area onto a retractable floor which then opens to drop the bundles onto a pallet below. Each layer is compacted before being dropped and guide means control the movement of the bundles as they drop onto the pallet. The palletizer forms either complete layers or partial layers, the layer sweep having a shorter stroke when moving partial layers. An upstream group of rollers in the layer staging area can be selectively driven or braked to form a gap at either of the two starting positions of the layer sweep into which gap the blade may be lowered. A mechanism accurately locates the pallet below the retractable floor.
REFERENCES:
patent: 3114465 (1963-12-01), Widmer
patent: 3700127 (1972-10-01), Kurk et al.
patent: 3730357 (1973-05-01), Beaty, Jr. et al.
patent: 4018031 (1977-04-01), Smaw
patent: 4024965 (1977-05-01), Marth et al.
patent: 4073387 (1978-02-01), Bowser
patent: 4271755 (1981-06-01), Kintgen et al.
Harris Graphics Corporation
Muncy Ken
Spar Robert J.
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