Automatic sheet feeder for an image recording apparatus

Details Automatic sheet feeder for an image recording apparatus Automatic sheet feeder for an image recording apparatus

1989-08-23

1991-07-09

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271109, B65H 352, B65H 306

Patent

active

050298402

ABSTRACT:
An automatic sheet feeder for feeding paper sheets one by one toward a body of an image recording apparatus has a feed roller and lap feed preventing device for preventing two or more paper sheets from being fed together. The lap feed preventing device is implemented as a reverse roller which is pressed against the feed roller and provided with a circumferential recess in a predetermined position thereof. When paper sheets each being formed with three holes for filing at spaced locations along the width thereof are used with the sheet feeder, the circumferential recess of the reverse roller coincides with the intermediate hole of each paper sheet being fed.

REFERENCES:
patent: 2887316 (1959-05-01), Tobey
patent: 4232860 (1980-11-01), Brown
patent: 4496145 (1985-01-01), Fukui
patent: 4515358 (1985-05-01), Fukui
patent: 4678178 (1987-07-01), Akiyama et al.
patent: 4715597 (1987-12-01), Sakurai
patent: 4728095 (1988-03-01), Irvine et al.
patent: 4763575 (1988-08-01), Miciukiewicz
patent: 4801134 (1989-01-01), Yokoyama et al.

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