Automatic sheet feeder

Details Automatic sheet feeder Automatic sheet feeder

1996-08-26

1998-03-17

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

B65H 352

Patent

active

057277826

ABSTRACT:
A feed roller is disposed opposite the bottom part of a placement tray on which a stack of sheet is placed, and a resilient pressing member made of sponge etc. is provided so that it will press the separator into surface contact with the peripheral surface of the feed roller. The separator is divided into two sections for individual functions, i.e., a separating portion which lies in a front surface contact area with the feed roller and performs a separating function of sheets, and a delivering portion which lies in a surface contact area immediately after the front surface contact area and performs a delivering function of the sheet. In order to achieve these functions, the coefficient of friction in the separating portion is set greater than that in the delivering portion and it is set lower than that of the feed roller. In this way, the separation of sheets is performed reliably through the first surface contact area and the delivering of the sheet is efficiently performed through the second surface contact area. Further, the resilient pressing member will serve to inhibit the vibrations and rattling sounds of the sheet.

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