Document feeder

Details Document feeder Document feeder

1988-07-29

1990-01-09

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271122, 271165, B65H 306

Patent

active

048922994

ABSTRACT:
A document feeder for use with a copying machine, for automatically recirculating documents through a copying process. The document feeder comprises a housing, a document tray disposed in the housing for storing a plurality of documents to be copied, a drive shaft carrying a pickup roller and a drive gear coaxially with each other, a rotary shaft carrying a driven gear and a document detector coaxially with each other, and a sensor for detecting one angular movement of the driven gear. The document detector contacts the documents on the document storing member for detecting presence of the documents. The driven gear defines, peripherally thereof, a gear portion for meshing with the drive gear and a cutout portion out of mesh with the drive gear.

REFERENCES:
patent: T103301 (1983-08-01), Smith
patent: 4164347 (1979-08-01), McGrain
patent: 4169674 (1979-10-01), Russel
patent: 4179215 (1979-12-01), Hage
patent: 4433836 (1984-02-01), Kulpa

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