Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1991-08-26
1992-12-08
Olszewski, Robert P.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
4147969, 221197, 221215, 221217, 221219, B65G 5703
Patent
active
051692830
ABSTRACT:
A stack of baskets carrying frozen chickens or the like are mounted on a dolly which is wheeled into a denester having spaced apart vertical side walls. Each of the side walls carries a vertically moving conveyor having spaced hooks adapted to be moved inwardly to engage the baskets. As the conveyors move upwardly, the top basket is lifted from the top of the stack. As the conveyors continue to move, the next basket is lifted and this continues until all of the baskets are lifted off of the dolly and are spaced apart from each other. A horizontal conveyor is then interposed beneath the lowermost basket. The vertical conveyors are moved downwardly until the lowermost basket rests on the horizontal conveyor and the conveyor hooks are removed therefrom. This basket is then conveyed horizontally to make room for the next lowermost basket and the process continues until all of the baskets have been denested.
REFERENCES:
patent: 3718267 (1973-02-01), Hiebert et al.
patent: 3920152 (1975-11-01), Shields
patent: 3921826 (1975-11-01), Rice et al.
patent: 4508483 (1985-04-01), Hessling et al.
patent: 4809881 (1989-03-01), Becker
patent: 4867626 (1989-09-01), Oberoi
Lehrer Norman E.
Olszewski Robert P.
Reichard Dean A.
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