Stacker-unstacker

Details Stacker-unstacker Stacker-unstacker

1973-03-08

1976-01-20

Spar, Robert J.

Sheet feeding or delivering

Delivering

Rotary conveyor

214 6TS, 214 85A, 214 85D, 271193, B65G 6000

Patent

active

039332543

ABSTRACT:
A machine for feeding into a stack and removing from a stack baking pans and the like wherein there is provided a transfer conveyor, a pan carrier, a pan dropping mechanism for sequentially separating baking pans from the transfer conveyor and depositing the baking pans on the pan carrier, a pan lifting mechanism for sequentially lifting baking pans from the pan carrier and engaging the baking pans with the transfer conveyor. The carrier drive mechanism disclosed drives the pan carrier upwardly toward the transfer conveyor during unstacking and downwardly away from the transfer conveyor during stacking. A control mechanism is disclosed for selectively operating the transfer conveyor in a pan unstacking mode and in a pan pass-through mode and in a pan stacking mode.
A complete system for feeding baking pans and the like upon demand to a process station is shown including a process station, a baking pan handling station, sensing mechanism and control mechanism.

REFERENCES:
patent: 2492889 (1949-12-01), Royal
patent: 3216721 (1965-11-01), Ormondy
patent: 3517835 (1970-06-01), Temple
patent: 3727758 (1973-04-01), Cleland
patent: 3770143 (1973-11-01), Breitbach
patent: 3788497 (1974-01-01), Carlson
patent: 3831780 (1974-08-01), Skarin et al.
"Automatic Pan Control" The Baker's Digest, June 1972, p. 52.

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