发明名称 Pick-roller drive disengagement scheme
摘要 A sheet feeder (14) for a print engine (10) includes a paper tray (30) which holds a stack of sheets (22) including a top sheet (20), and a pick-roller (42) which makes contact with the top sheet (20). The pick-roller (42) is rotatable about an axis. Also included is a driver (44), which upon forward energizing, rotationally drives the pick-roller (42) about the axis in a forward direction to advance the top sheet (20) to sheet advancing means (34) that pass the top sheet (20) along through the print engine (10). A drive controller (50) controls the driver (44). The drive controller (50) causes the pick-roller (42) to be released for free-wheeling after advancing the top sheet (20) to the sheet advancing means (34).
申请公布号 US6736389(B2) 申请公布日期 2004.05.18
申请号 US20020195176 申请日期 2002.07.15
申请人 XEROX CORPORATION 发明人 KOSMOSKI JEFFREY P.
分类号 B65H3/06;(IPC1-7):B65H3/06 主分类号 B65H3/06
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