Automatic document feeder

Details Automatic document feeder Automatic document feeder

1985-12-05

1987-06-23

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Multiple supplies

271 34, 271 35, 271122, 271117, B65H 344

Patent

active

046747346

ABSTRACT:
An automatic document feeder for feeding documents individually to a document scanning surface of a copying machine from a pile of documents on a document tray. The automatic document feeder comprises: a first upper feeding member for feeding a document from the top of the document pile on the document tray; a second upper feeding member for further feeding the document supplied by the first upper feeding member; a first preventive member adjacent to the second upper feeding member to prevent more than one document from being fed through; a first lower feeding member for feeding a document from the bottom of the document pile on the document tray; an intermediate member that contacts the first lower feeding member and is linked with the first preventive member so as to prevent more than one document from being fed through; and a second lower feeding member, adjacent to the first preventive member, for feeding the document supplied by the first lower feeding member between the second lower feeding member and the first preventive member.

REFERENCES:
patent: 4272180 (1981-06-01), Satomi
patent: 4346879 (1982-08-01), Ruenzi
patent: 4436298 (1984-03-01), Donner
patent: 4500084 (1985-02-01), McInerny

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