作者: Sidney Hsiao , Julian Liu , Jackly Liu , Clark Huang
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摘要: A document feeding apparatus includes a cam set fixed to drive shaft and being driven selectively by the shaft. The rotates in first direction second direction. cam, one-way clutch. present invention further gear train shaft; paper-stopping plate connected with arm; pick-up roller rotatable strip transferring power from roller. relative operational relationship between arm is coordinated set.