Plural mode recirculating document handler

Details Plural mode recirculating document handler Plural mode recirculating document handler

1981-10-29

1984-06-26

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271291, 271301, 271186, 355 14SH, 355 24, B65H 522

Patent

active

044562365

ABSTRACT:
A recirculating document handling apparatus and method for plurally recirculating duplex original document sheets to and from a stack thereof and to and from the imaging station of a copier for providing duplex document precollation copying, providing selected ones of different, compact, partially shared document recirculation looped paths depending on the copying mode selected with movable path selector means for, in an immediate duplex mode, returning a document sheet in a selected loop path directly but inverted to said copying station for copying the opposite side thereof after copying one side thereof and before returning the document sheet to said stack, and alternatively, in another, common side duplex copying mode, returning a document sheet to said stack inverted after copying one side thereof, using common paths.

REFERENCES:
patent: 2253052 (1941-08-01), Schubert
patent: 4066252 (1978-01-01), Wick
patent: 4089515 (1978-05-01), Stange et al.
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patent: 4269406 (1981-05-01), Hamlin
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patent: 4319833 (1982-03-01), Hidding
Research Disclosure, May 1977, pp. 77-79, "Apparatus for Producing Collared Copies from Two Sided Originals."
Research Disclosure, pp. 331-334, "Feeder for Automatically Feeding Documents", Overmeer, Oct. 1982.

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