Automatic document feeder

Details Automatic document feeder Automatic document feeder

1991-02-06

1991-10-01

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271 9, 271110, 271293, 271294, 271301, 271902, 271119, B65H 306

Patent

active

050526693

ABSTRACT:
An automatic document feeder includes original stacker having plural stages spaced from each other, each of which is capable of accommodating sheet originals; a support for supporting the plural stages for movement substantially along the stages; a feeder for feeding sheet originals from a selected one of the stages of the original stacker; conveyer for conveying the sheet originals from the feeder to a predetermined position; reversing device for returning the sheet originals having been placed at the predetermined position to the same selected stage; and a driver for driving the original stacker so as to bring the plural stages selectively toward the feeder.

REFERENCES:
patent: 3565420 (1971-02-01), Howard
patent: 4076408 (1978-02-01), Reid et al.
patent: 4145037 (1979-03-01), Mol
patent: 4411517 (1983-10-01), Gerken
patent: 4508447 (1985-04-01), Doery
IBM Techincal Disclosure Bulletin, vol. 18, No. 12, May 1976, M. J. Miller.

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