Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1980-07-25

1982-09-21

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Multiple supplies

271301, B65H 344

Patent

active

043503292

ABSTRACT:
Document feeding apparatus feeds document sheets to an exposure position along a recirculating sheet path or along a non-recirculating sheet path. The feeding means has a vacuum belt for moving a sheet traveling along either sheet path past the exposure position. A document sheet can be fed to the belt for advancement to the exposure position through a slot located in a generally vertically disposed orientation and having an opening at the lower end thereof adjacent to the belt. Preferably, registration means are provided adjacent the belt at the lower end of the slot for preregistering the lower edge of a document sheet being fed through the slot to the belt. Rollers are provided for urging the document sheet against the belt, both when sheets are fed to the belt in a non-recirculating (document positioner) mode and when sheets are fed in the recirculating feeder mode of operation. One set of rollers, which is used for holding a sheet against the belt when in the non-recirculating mode of operation, is held in a retracted or disengaged position when the apparatus is operating in the document positioner mode of operation.

REFERENCES:
patent: 3930725 (1976-01-01), Jones
patent: 4076408 (1978-02-01), Reid
patent: 4078787 (1978-03-01), Burlew
patent: 4093372 (1978-06-01), Guenther
patent: 4169674 (1979-10-01), Russel
patent: 4176945 (1979-12-01), Holzhauser
patent: 4229101 (1980-10-01), Hamlin
patent: 4253652 (1981-03-01), Steinhilber
patent: 4253759 (1981-03-01), Rattin
IBM Technical Disclosure Bulletin, vol. 19, No. 3, pp. 802-803, Aug. 1976.

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