Sheet feeding or delivering – Feeding – Separators
Patent
1989-11-21
1991-06-04
Valenza, Joseph E.
Sheet feeding or delivering
Feeding
Separators
271 31, B65H 114
Patent
active
050207881
ABSTRACT:
A paper feeding device for sending out paper sheets P from an intermediate tray after a first image has been formed on the paper sheets in an image forming apparatus. The device includes a preliminary feed roller, a pressure plate opposed to the preliminary feed roller, a feed roller, a pressure roller opposed to the feed roller, a roller supporting shaft for relatively rotatably supporting the pressure roller, a supporting member pivotably attached to the roller supporting shaft for supporting the pressure plate for pivotably around the roller supporting shaft, and a motor for rotating the roller supporting shaft. As a result the pressure plate and the pressure roller can pivot to maintain the paper sheets against the preliminary feed roller and the feed roller regardless of how many paper sheets are on the intermediate tray.
REFERENCES:
patent: 4155546 (1979-05-01), Jacobs
patent: 4544147 (1985-10-01), Dinnissen
Hatano Masaru
Sugiyama Tsukasa
Mita Industrial Co. Ltd.
Reiss Steven
Valenza Joseph E.
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