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    • 8. 发明授权
    • Deskew of print media
    • 印刷媒体的偏差
    • US06241242B1
    • 2001-06-05
    • US09416709
    • 1999-10-12
    • Michael W. Munro
    • Michael W. Munro
    • B65H916
    • B65H9/166B65H2301/4431B65H2404/6961G03G15/6594G03G2215/00481G03G2215/00565
    • A print media deskew apparatus includes a print media support having a first surface defining a plane for a print media transport path and a second surface parallel to the print media transport path and two apertures in the first surface aligned in the print media transport path. A first set of selectively driven spheres in the print media transport path and a second set of selectively driven spheres in the print media transport path downstream from the first impart a paper path force and a lateral driving force on a media sheet such that the sheet is driven laterally to the print media transport path until edge contact with the second surface removes any skew from the sheet.
    • 一种打印媒体解决方案设备包括:打印介质支撑件,其具有限定用于打印介质传送路径的平面的第一表面和平行于打印介质传送路径的第二表面以及在打印介质传送路径中对准的第一表面中的两个孔。 打印介质输送路径中的第一组选择性驱动的球体和第一组选择性驱动的球体在第一打印介质输送路径中从第一组下游向媒体片材施加纸张力和横向驱动力,使得片材是 横向驱动到打印介质输送路径,直到与第二表面的边缘接触去除与纸张的任何偏斜。
    • 10. 发明授权
    • Signature slowdown apparatus
    • 签名减速仪
    • US06428001B1
    • 2002-08-06
    • US09539578
    • 2000-03-31
    • Barry Mark Jackson
    • Barry Mark Jackson
    • B65H516
    • B65H29/68B65H2301/4431
    • A signature slow down device is provided which includes an entrance nip mechanism for receiving a signature from an upstream device at a first signature transport velocity and reducing the transport velocity of the signature to a first reduced transport velocity; and an exit nip mechanism for receiving the signature from the entrance nip mechanism, and further reducing the transport velocity of the signature to a second reduced transport velocity. In accordance with the present invention, the respective signature contacting surfaces of the entrance and exit nip mechanisms are each defined by a pair of opposing non-circular rotating components. Each non-circular rotating component has a first surface portion for forming a nip with its opposing non-circular rotating component and a second surface portion for forming a gap with its opposing non-circular rotating component. In each of the entrance and exit nip mechanisms, the opposing non-circular rotating components rotate at a variable velocity profile in which the non-circular rotating components decelerate when the nip is formed, and accelerate with the gap is formed.
    • 提供了一种签名减速装置,其包括入口夹持机构,用于以第一签名传送速度从上游装置接收签名,并将签名的传送速度降低到第一缩短的传送速度; 以及用于从入口夹持机构接收签名的出口夹持机构,并且进一步将签名的传送速度降低到第二减小的传送速度。 根据本发明,入口和出口咬合机构的各个签名接触表面各自由一对相对的非圆形旋转部件限定。 每个非圆形旋转部件具有用于与其相对的非圆形旋转部件形成辊隙的第一表面部分和用于与其相对的非圆形旋转部件形成间隙的第二表面部分。 在每个入口和出口压合机构中,相对的非圆形旋转部件以可变速度分布旋转,其中非圆形旋转部件在形成辊隙时减速,并形成间隙加速。