Device for stacking trays with articles

Details Device for stacking trays with articles Device for stacking trays with articles

1989-07-10

1991-03-05

Spar, Robert J.

Material or article handling

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

Stack forming apparatus

4147901, 4147937, B65G 5700

Patent

active

049973398

ABSTRACT:
A device for stacking egg-trays comprising a feed conveyor (2) advancing the trays one after the other, a second conveyor (3) for discharging the trays stacked on each other, a transport mechanism (15) operating between the feed and the discharge conveyor having carrying forks for transporting one tray at a time onto a support platform (30) which collects the trays and periodically oscillates through a 90.degree. arc so as to stack the subsequent trays in a staggered relationship. The platform is also capable of a vertical movement from a high position to a low positioin and vice versa for depositing a stack of trays upon the discharge conveyor.

REFERENCES:
patent: 2407782 (1946-09-01), Hardy
patent: 2919821 (1960-01-01), Young
patent: 3792784 (1974-02-01), Mosterd
patent: 3912070 (1975-10-01), Cronk et al.

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