发明名称 Sheet feeding device and image forming apparatus having sheet feeding device
摘要 A sheet feeding device is provided to separate a sheet from a plurality of stacked sheets and feed the sheet. The sheet feeding device includes a sheet stacking portion on which the sheets are stacked, a suction conveyance belt which separates the sheets stacked on the sheet stacking portion, one by one and feeds the sheet, and a separation rotating roller which is rotatable upon abutting on a rear portion, in a feeding direction, of the sheets stacked on the sheet stacking portion. The separation rotating roller rotates in a direction which returns the sheet in synchronization with sheet feeding operation performed by the suction conveyance belt.
申请公布号 US8172219(B2) 申请公布日期 2012.05.08
申请号 US20100779474 申请日期 2010.05.13
申请人 MATSUMOTO YUZO;CANON KABUSHIKI KAISHA 发明人 MATSUMOTO YUZO
分类号 B65H3/40;B65H3/34;B65H3/52 主分类号 B65H3/40
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