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    • 5. 发明申请
    • Sheet feeding device, and document feeding device in image reading apparatus comprising the same
    • 送纸装置以及包括该供纸装置的图像读取装置中的送纸装置
    • US20070284803A1
    • 2007-12-13
    • US11713643
    • 2007-03-05
    • Masaki Oomori
    • Masaki Oomori
    • B65H5/06
    • B65H3/0669B65H5/062B65H9/004B65H2220/09B65H2403/723B65H2404/7231B65H2555/20
    • A sheet feeding device, and a document feeding device including the sheet feeding device have a pickup roller which can elevate and lower between an operative position and a standby position, a sheet feeding rotating device that separably feeds each sheet from the roller, and a registration roller that registers the sheet from the sheet feeding rotating device. A carry-in roller conveys the sheet to a predetermined processing position, and a carry-out roller carries the sheet from the processing position. The pickup roller and sheet feeding rotating device are drivingly coupled to a first driving motor. The registration roller and carry-in roller are coupled to a second driving motor via a sliding friction clutch. The sliding friction clutch is configured so that the registration roller is rotated by rotating the second driving motor and transmission of a driving force is blocked by rotating the first driving motor.
    • 一种送纸装置和一种包括送纸装置的送纸装置,具有能够在操作位置和待机位置之间升降的拾取辊,将纸张从滚筒分离地供给的送纸旋转装置, 从片材供给旋转装置登记片材的辊。 携带辊将纸张传送到预定的处理位置,并且搬出辊从处理位置承载片材。 拾取辊和送纸旋转装置驱动地联接到第一驱动电动机。 定位辊和搬入辊通过滑动摩擦离合器联接到第二驱动电动机。 滑动摩擦离合器被构造成使得定位辊通过旋转第二驱动马达而旋转,并且通过旋转第一驱动马达来阻止驱动力的传递。