Document transport with variable pinch-roll force for gap adjust

Details Document transport with variable pinch-roll force for gap adjust Document transport with variable pinch-roll force for gap adjust

1994-11-21

1996-11-19

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 1009, 271110, 27125801, 27125802, 27126501, B65H 500

Patent

active

055754660

ABSTRACT:
A method of processing documents and maintaining a preset nominal inter-document gap, by moving a document from an input stack to a destination at a controlled rate, and selectively accelerating or decelerating the following document to reduce a sensed variance from this nominal gap.

REFERENCES:
patent: 4331328 (1982-05-01), Fasig
patent: 4451027 (1984-05-01), Alper
patent: 4691912 (1987-09-01), Gillmann
patent: 5018716 (1991-05-01), Yoshida et al.
patent: 5056771 (1991-10-01), Beck et al.
patent: 5094442 (1992-03-01), Kamprath et al.
patent: 5121915 (1992-06-01), Duncan et al.
patent: 5186449 (1993-02-01), Ohmi et al.
patent: 5197726 (1993-03-01), Nogami

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