Sheet feeding or delivering – Delivering to stack and feeding therefrom – With sheet sensor for selective location
Patent
1986-08-04
1987-12-22
Schacher, Richard A.
Sheet feeding or delivering
Delivering to stack and feeding therefrom
With sheet sensor for selective location
271186, 271291, 271301, 271907, B65H 3910
Patent
active
047142413
ABSTRACT:
A document feeder for recirculating simplex or duplex document sheets to and from a scanning station of a reproduction apparatus for selectively producing pre-collated or post-collated simplex or duplex copies of simplex or duplex document sheets. The document feeder includes a first document sheet transport path extending from a hopper to the scanning station; a second transport path located in juxtaposition with the scanning station for moving a document in scanning relation to such station; a third transport path, for turning a document sheet over, located between the hopper and the second transport path; and a fourth transport path extending between the second path and the hopper. A drive mechanism, associated with the transport paths, is operative to transport a sheet in a particular direction along such respective paths. A first diverter is controlled to be located in a first position for directing a transported document sheet from the first path to the third path when document sheets are of the simplex type, and in a second position for directing a transported document sheet from the first path to the second path when document sheets are of the duplex type. A second diverter is controlled to be located in a first position for retaining a transported document in the second path for recirculation past the scanning station when post-collated copies are to be made, and in a second position for directing a transported document sheet from the second path to the fourth path when pre-collated copies are to be made.
REFERENCES:
patent: 4192607 (1980-03-01), Hage
patent: 4223886 (1980-09-01), Vogt
patent: 4278344 (1981-07-01), Sahay
patent: 4319833 (1982-03-01), Hidding
patent: 4359217 (1982-11-01), Roller
patent: 4456237 (1984-06-01), Buddendeck
patent: 4459013 (1984-07-01), Hamlin
patent: 4469319 (1984-09-01), Robb
Eastman Kodak Company
Kessler Lawrence P.
Schacher Richard A,.
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