Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1994-08-17
1996-01-02
Huppert, Michael S.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
4147898, 414924, 414926, B65G 5703
Patent
active
054802784
ABSTRACT:
Apparatus for frozen patties wherein one wide and slow conveyor feeds a plurality of narrow and fast conveyors to spread out the patties prior to stacking. Each fast conveyor conveys a stream of patties to a stacking module, each module includes a vertically-extending stacking cylinder. Each stacking cylinder includes a vertically-movable plunger which decrements as a patty is added to the top of the cylinder. When a cylinder contains enough patties for a stack, a patty-blocking member blocks patties from entering that fast conveyor, and the plunger in that cylinder raises the stack vertically out of the cylinder to a horizontal stage platform. A pusher member pushes the stack off the plunger and onto the stage platform. Vertically-hanging spring leaves stabilize the position of the stacks on the stage platform. When a desired number of stacks have accumulated on the stage platform, the stacks are moved to a collection station. If a problem occurs in any stacking modules, patty flow is blocked, the fast conveyor feeding the module is stopped, the plunger in the corresponding cylinder is lowered to the bottom of that cylinder, and that cylinder is moved horizontally to overhang a purge chute. Any patties then in the cylinder drop into the purge chute. The cylinder returns to a position relative to its fast conveyor, the conveyor is-started to send patties thereon into the cylinder, and the cylinder moves to the purge chute.
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Hancock Earl C.
Hess Douglas A.
Huppert Michael S.
MBT Corporation
Sirr Francis A.
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