Apparatus for denesting and feeding cartons to a conveyor

Details Apparatus for denesting and feeding cartons to a conveyor Apparatus for denesting and feeding cartons to a conveyor

1989-05-22

1990-06-26

Spar, Robert J.

Material or article handling

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

Unstacking apparatus

221251, 4147956, B65G 5910

Patent

active

049367390

ABSTRACT:
Apparatus for sequentially removing articles from a stack of nested articles and for controlling their movement to a location remote from the stack. The apparatus is particularly suited for denesting and feeding large multiple cell cartons such as eighteen cell cartons to a conveyor for subsequent printing. The cartons are placed in a vertical stack and the stack of nested cartons is supported by a set of rotary brushes on opposite sides at the bottom of the stack. The cartons are preseparated and sequentially fed by a second set of rotary brushes from the bottom of the stack to a denesting station. The height of the stack of cartons at the denesting station is sensed by a photoelectric eye for controlling the rotation of the sets of brushes and the feed of cartons to the denesting station. A pair of counter-rotating feed screws having multiple operating sections denest the cartons at the denesting station and sequentially feed them to a conveyor.

REFERENCES:
patent: 1634566 (1927-07-01), Wessman
patent: 2659522 (1953-11-01), Ninneman et al.
patent: 3193139 (1965-07-01), Iannone et al.
patent: 3843019 (1974-10-01), Medendorp
patent: 3935967 (1976-02-01), Doucette
patent: 4048915 (1977-09-01), Martin
patent: 4288003 (1981-09-01), Fries, Jr.
patent: 4625905 (1986-12-01), Mangla
patent: 4625906 (1986-12-01), Mangla

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