Sheet feeder capable of eliminating overlapping sheet feed

Sheet feeding or delivering – Feeding – Separators

Patent

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Details

271124, B65H 352

Patent

active

061458317

ABSTRACT:
A sheet feeder provided in an image forming device and includes a sheet feed roller, a pair of rollers provided at both ends of the sheet feed roller and rotatable independent of the sheet feed roller, and a separation pad provided in confronting relation to the sheet feed roller and the pair of rollers. The sheet feed roller has a circumferential surface portion and a cut-out surface portion. When the cut-out surface portion is opposite a sheet and the separating pad, outer peripheral surface portions of the pair of rollers contact the sheet at approximately the same level position that the circumferential surface portion of the feed roller contacts the sheet. This maintains the separating pad in approximately the same position.

REFERENCES:
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patent: 5372359 (1994-12-01), Miura et al.
patent: 5374047 (1994-12-01), Tsukamoto et al.
patent: 5584475 (1996-12-01), Asada et al.
patent: 5655762 (1997-08-01), Yergenson
patent: 5863036 (1999-01-01), Tanaka et al.
patent: 5934664 (1999-08-01), Murayama et al.
patent: 5996989 (1999-12-01), Cahill et al.
patent: 5997198 (1999-12-01), Murayama et al.

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