Sheet feeding and delivering apparatus having stack replenishmen

Details Sheet feeding and delivering apparatus having stack replenishmen Sheet feeding and delivering apparatus having stack replenishmen

1990-07-13

1992-03-17

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Pack holders

271147, 271163, 271289, B65H 126

Patent

active

050961810

ABSTRACT:
Sheet stack loader and sheet stack unloader arrangements provide load-while-run or unload-while-run capabilities. In a stack loader, a pusher element laterally pushes a stack or receiver into a sheet feed receiver. In a stack unloader, the pusher element pushes a finished stack from a stacking receiver to a removal receiver. By employing smooth paper support surfaces in the receivers, with close side-by-side positioning and an unobstructed path of movement, stacks of sheets of paper can be moved laterally by the pusher mechanism, which engages a side surface of the stack to be moved. Compact drive systems utilizing toggle drives and lead screws are utilized to minimize space requirements. Continuous run capabilities can be provided by auxiliary supply or stacking trays which are operative during the stack transfer sequence.

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