Sheet feeding and separating apparatus with stack force...

Details Sheet feeding and separating apparatus with stack force... Sheet feeding and separating apparatus with stack force...

B - Operations, Transporting

65

H

270/26

B65H 5/02 (2006.01) B65H 7/12 (2006.01) G03G 15/00 (2006.01)

Patent

CA 1202041

ABSTRACT OF THE DISCLOSURE A retard feeder and separator apparatus includes a sensor located at a retard nip downstream from a feed means that applies a normal force to a stack of sheets and forwards sheets individually from the stack. The sensor detects the lead edge of a sheet fed from the stack and simultaneously causes relief of the normal force of said feed means against the stack in order to reduce multifeeds and sheet damage. Alternatively, if the sensor does not sense a sheet within a predetermined time the normal force of said feed means against the stack will be increased to reduce misfeeding.

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