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    • 3. 发明授权
    • Document sheet feeding apparatus
    • 文件进纸装置
    • US06213458B1
    • 2001-04-10
    • US09092173
    • 1998-06-05
    • Hitoshi TamuraHirohiko OkabeMinoru KawanoKatsunori Takahashi
    • Hitoshi TamuraHirohiko OkabeMinoru KawanoKatsunori Takahashi
    • B65H500
    • B65H9/006B65H3/0669B65H2403/40B65H2403/72B65H2403/942B65H2404/7231B65H2513/40B65H2220/02
    • A sheet feeding apparatus for picking up, aligning, and feeding single sheets from a stack of a plurality of such sheets. The apparatus includes a driving means for the pick up, separator, and sheet feeder having a driving motor with a coupling in the drive path which is capable of providing a delay period between forward and backward rotations of the motor. There is a torque regulator between the coupling and a reverse roller which interrupts the driving force for a predetermined time. The apparatus also includes a control which stops the registration rollers while the single sheet collides with the circumferential surfaces thereof for alignment and, upon reversal of the driving motor, the sheet is fed while the reverse roller first stops for the predetermined time and then rotates in a direction opposite to the direction of feeding. Thus, the single sheets are aligned and double feeding is prevented.
    • 一种纸张馈送装置,用于从多个这样的纸张的堆叠中拾取,对准和馈送单张纸。 该装置包括用于拾取器,分离器和片材给送器的驱动装置,该驱动装置具有在驱动路径中具有联接器的驱动电机,其能够提供电动机的向前和向后转动之间的延迟周期。 在耦合器和反转辊之间存在扭矩调节器,其将驱动力中断预定时间。 该装置还包括一个控制装置,当单张纸与其圆周表面碰撞以对准时停止定位辊,并且当反转辊驱动电机反转时,反转辊首先停止预定时间然后转动 与进给方向相反的方向。 因此,单张纸对齐,并且防止双重进纸。