Material or article handling – With weighing
Patent
1984-09-20
1986-07-01
Paperner, Leslie J.
Material or article handling
With weighing
198434, 198740, 414 89, 414786, B65H 3140
Patent
active
045977046
ABSTRACT:
A method and apparatus are disclosed for aligning the slices in stacks of sliced food products and for loading the stacks into container cavities. Stacks are received sequentially from a supply conveyor onto a stack support surface, where the stacks are detained either by friction with the support surface or by a stack catcher. A stack positioning member movable along the support surface pushes the stacks into engagement with a stack former for aligning the slices. Simultaneously, the stack positioning member retards movement of the next upstream stack on the supply conveyor so that the stack comes to rest on the support surface, and then pushes the previously aligned stack to a downstream pick-up station for loading into a container cavity. Each stack is removed from the loading station by a gripper assembly which pivots between the loading station and the container. Each gripper assembly has a plurality of pick-up fingers which may be spread to receive a stack at the loading station or to release the stack into a container. Each gripper assembly may also include a plurality of guide fingers of greater length than the pick-up fingers to extend downwardly and guide the stack into the container cavity. The pick-up and guide fingers are controlled by a rotary cam plate which engages the upper ends of the pivotally mounted fingers and, by incremental rotation, selectively spreads or closes the fingers.
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Merdler Myron J.
Vedvik Andrew H.
Donovan Daniel J.
Harcarik Joseph T.
Oscar Mayer Foods Corporation
Paperner Leslie J.
Savoie Thomas R.
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