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    • 30. 发明授权
    • Sheet feeding apparatus and sheet feeding method
    • 送纸装置和送纸方式
    • US5887866A
    • 1999-03-30
    • US723824
    • 1996-09-30
    • Tsuyoshi YamauchiAkimitsu Hoshi
    • Tsuyoshi YamauchiAkimitsu Hoshi
    • B65H3/06B65H3/46B65H3/52
    • B65H3/5261B65H3/0669B65H2513/514
    • A sheet feeding apparatus for separating stacked sheets one by one and feeding the sheets includes a rotative feeder rotating in a feeding direction for feeding the sheets; a retard roller disposed so as to be capable of contacting the rotative feeder rotating in reverse direction for separating the sheets one by one; a driver for driving the rotative feeder and the retard roller; a clutch for transmitting drive power from the driver to the rotative feeder when in a powered-on state, and for rendering the rotative feeder in a rotation free state without transmitting the drive power of the driver to the rotative feeder when in a powered-off state. The apparatus further includes a controller for, before the start of feeding of the sheets, rendering the rotative feeder in the rotation free state while the controller renders the clutch in the powered-off state and controlling the driver to rotate the retard roller in the reverse direction to the feeding direction of the sheet.
    • 用于一张一张地分离堆叠的片材并供给片材的片材进给装置包括沿供给方向供给片材的旋转供给器旋转; 延迟辊,其设置成能够使相对于相反方向旋转的旋转供给器接触,一个一个地分离片材; 用于驱动旋转进给器和延迟辊的驱动器; 用于在处于通电状态时从驱动器向旋转送料器传递驱动力的离合器,并且用于使旋转送料器处于旋转自由状态,而在断电时不将驱动器的驱动力传递到旋转送料器 州。 该装置还包括控制器,用于在开始送纸之前使控制器使离合器处于断电状态并使驾驶员相反地转动延迟辊,使转动进给器处于无转动状态 方向到片材的进给方向。