Document feeding apparatus

Details Document feeding apparatus Document feeding apparatus

1990-01-19

1991-10-29

Skaggs, H. Grant

Undertaking

271259, 271265, 271242, B65H 708

Patent

active

050609254

ABSTRACT:
In a document feeding apparatus, a first motor which drives a transporting mechanism provided at downstream side in the document transporting direction of a pair of timing rollers and a clutch connected with the pair of rollers are firstly energized, and the energized first motor drives the transport mechanism and the pair of timing rollers in the document transporting direction. A second motor which drives a paper feeding mechanism and is provided at upstream side in the document transporting direction of the pair of timing rollers drives the paper feeding mechanism after it is energized for a predetermined period of time to transport two sheets of originals placed and in contact with the pair of timing rollers from its downstream and upstream sides onto a platen glass. A sensor which detects the rear edge of an original being discharged from the platen glass is prohibited from detecting the rear edge of an original firstly discharged.

REFERENCES:
patent: 3936041 (1976-02-01), Shiina et al.
patent: 4052054 (1977-10-01), Cardwell et al.
patent: 4331328 (1982-05-01), Fasig
patent: 4727401 (1988-02-01), Partilla et al.
patent: 4731637 (1988-03-01), Acquaviva et al.
patent: 4763160 (1988-08-01), Honjo
patent: 4771319 (1988-09-01), Hamakawa
patent: 4878657 (1989-11-01), Ura et al.

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