Automatic document feeder

Details Automatic document feeder Automatic document feeder

1993-01-07

1994-01-25

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271265, 271227, 271242, B65H 500

Patent

active

052808998

ABSTRACT:
In a primary paper feeding device, a document is conveyed from a document stock section to a pair of registration rollers by a first conveying device. The document conveyed to the registration rollers is further conveyed forward in a downstream direction by the registration rollers. When the lead (downstream) edge of the document arrives at a predetermined first reference position downstream of the registration rollers, document conveying by the registration rollers terminates. In this way, the document is conveyed such that the trailing edge thereof does not pass through the registration rollers. Thereafter, when a document change signal occurs, the registration rollers again are driven so that the document advances toward a position for document reading.

REFERENCES:
patent: 4548394 (1985-10-01), Koyama et al.
patent: 4974827 (1990-12-01), Arai et al.
patent: 5112038 (1992-05-01), Dunaway
patent: 5118089 (1992-06-01), Yamada et al.
patent: 5222728 (1993-06-01), Takahashi

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