发明名称 PAPER FEEDER AND IMAGE FORMATION DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a paper feeder and an image formation device capable of making difficult to generate a failure of feeding a plurality of overlapping sheets from a nip portion between a feed roller and a reverse roller even if the sheets enter the nip portion in a case of setting the sheets in a loading portion or the like.SOLUTION: The present invention comprises: a feed roller 53 transporting a sheet by rotating along a sheet feed direction; a pickup roller 54 transporting a sheet P loaded in a loading portion 51 to a position of the feed roller 53 and formed to be movable to a retreat position; and a reverse roller 55 forming a nip portion between the reverse roller 55 and the feed roller 53, and rotating along an opposite direction to a feed direction of the sheet P in a state in which the sheet P is put between the feed roller 53 and the reverse roller 55 in the nip portion. The reverse roller 55 is controlled to rotate for predetermined time before the feed roller 53 starts rotating.
申请公布号 JP2014101193(A) 申请公布日期 2014.06.05
申请号 JP20120254413 申请日期 2012.11.20
申请人 RICOH CO LTD 发明人 OKAZAKI NAOKI
分类号 B65H3/52;B65H3/06 主分类号 B65H3/52
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