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    • 1. 发明授权
    • Transmission system for a document feeder
    • 文件传送系统
    • US5494271A
    • 1996-02-27
    • US257570
    • 1994-06-10
    • Jeffrey WunSteven ChiuMark Chang
    • Jeffrey WunSteven ChiuMark Chang
    • B65H3/06B65H5/06
    • B65H3/0669Y10T74/19172Y10T74/1921
    • An improved transmission system for a document feeder, in which a constant one-way-rotating gear train is mounted in an output zone so as to cause a transmission shaft in the output zone to rotate in one direction only to send out a sheet of document no matter the driving gear rotates clockwise or counter-clockwise; therefore, as soon as a first sheet of document moves out of the scanning line without moving out of the output zone, the driving gear will change its rotation clockwise so as to have a next sheet of document fed into the scanning zone; therefore, the feeding distance between two sheets of document will be reduced, and consequently the whole feeding time for a document will be reduced, too.
    • 一种用于文件馈送器的改进的传输系统,其中恒定的单向旋转齿轮系安装在输出区域中,以便使得输出区域中的传动轴在一个方向上旋转,仅发出一张文件 无论主动齿轮顺时针还是逆时针旋转; 因此,只要第一张原稿从扫描线移出而不移出输出区域,驱动齿轮将顺时针转动其旋转,以便将下一张原稿送入扫描区域; 因此,两纸张之间的进纸距离将减小,因此文件的整个进纸时间也将减少。