Sheet feed apparatus

Details Sheet feed apparatus Sheet feed apparatus

1992-09-04

1993-11-30

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271117, 271124, B65H 306

Patent

active

052658597

ABSTRACT:
The invention relates to a sheet feed apparatus which is particularly, although not exclusively, useful in a xerographic copying machine. The apparatus includes a roller assembly including first and second rollers, the first roller being arranged to engage the top sheet in a stack of sheets and advance the sheet to a nip defined between the second roller and a retard member. The roller assembly is attachable to a support such as a feedhead cover, by means of a snap-in connection whereby, when assembled to the support way, the second roller is operably coupled to a drive gear. In order to facilitate connections between a drive shaft through the second roller and the drive gear, the drive shaft is biassed towards the drive means by a compression spring, and is mounted for movement along the axis of the second roller against the bias of the compression spring.

REFERENCES:
patent: 4475731 (1984-10-01), Wood
patent: 4565360 (1986-01-01), Runzi
patent: 5040779 (1991-08-01), Ogiri et al.
patent: 5156388 (1992-10-01), Morita

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