Cyclically controlled paper feeder with optical stack level...

Sheet feeding or delivering – Feeding – Separators

Reexamination Certificate

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Details

C271S011000, C271S107000, C271S108000, C271S152000, C271S154000

Reexamination Certificate

active

07976013

ABSTRACT:
In paper feeder apparatus, the combination comprising first means including a support for a paper stack and transfer elements for successively transferring paper sheets from the top of the stack upwardly and laterally to a delivered position, and optical control means to determine the level of an upper paper or papers in the stack to control the vertical positioning of papers on the stack, to enable said upwardly and laterally sheet delivering as the stack height diminishes, and a controller for cyclically controlling said transfer elements to integrate cyclic upward and lateral movement of successive sheets transferring from the stack.

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