Document feeder

Details Document feeder Document feeder

1980-04-25

1981-12-22

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

271122, 271161, 271165, B65H 306, B65H 352

Patent

active

043067131

ABSTRACT:
A document feed mechanism for feeding original documents to a copier imaging station. A bottom feed shingler wheel generates a shingled stack of original documents in a tray having a crowned shape, the tray crest being located forward of the shingler wheel. The shingled stack is supplied to a nip formed by an intermittently operated feed roll and a restraint roll which is rearwardly biased via a magnetic hysteresis slip clutch. The normal force on a sheet in the nip and the rearward bias force of the restraint roll are specifically controlled. The feed and restraint rolls intermittently supply single sheets to an imaging station feed mechanism.

REFERENCES:
patent: 1232560 (1917-07-01), Juengst
patent: 3239213 (1966-03-01), Griswold
patent: 3584250 (1971-06-01), Bottani
patent: 3754754 (1973-08-01), Peterson
patent: 3829082 (1974-08-01), Hoyer
patent: 4034976 (1977-07-01), Lundblad

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