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    Image transfer apparatus, image fixing apparatus, and registration apparatus
    3.
    发明申请
    Image transfer apparatus, image fixing apparatus, and registration apparatus 有权
    图像转印装置，图像定影装置和配准装置

    公开(公告)号：US20090060613A1

    公开(公告)日：2009-03-05

    申请号：US12222348

    申请日：2008-08-07

    申请人： Hiromichi Matsuda ,  Toshiyuki Andoh ,  Takashi Hashimoto ,  Takashi Hodoshima ,  Tatsuhiko Oikawa ,  Hidetaka Noguchi ,  Seiji Hoshino ,  Makoto Komatsu

    发明人： Hiromichi Matsuda ,  Toshiyuki Andoh ,  Takashi Hashimoto ,  Takashi Hodoshima ,  Tatsuhiko Oikawa ,  Hidetaka Noguchi ,  Seiji Hoshino ,  Makoto Komatsu

    IPC分类号： G03G15/00

    CPC分类号： G03G15/1605 ,  G03G15/1665 ,  G03G15/6558 ,  G03G2215/00738

    摘要： A load torque variation upon entry or exit of a sheet into a nipping portion is reduced while a nipping force necessary for image formation is provided. An image transfer apparatus, an image fixing apparatus, or a registration apparatus comprises an opposite roller, a transfer roller, and a compression spring for pressing the opposite roller onto the transfer roller. A sheet of transfer material is transported into a nipping portion between the opposite roller and the transfer roller, where an image on the opposite roller is transferred to the transfer material. The apparatus includes a retaining unit configured to retain a certain distance between the first rotating body and the second rotating body as long as the thickness of the transfer material that passes through the nipping portion remains the same.

    摘要翻译： 在进入或退出片材到夹持部分时的负载扭矩变化减小，同时提供图像形成所需的夹持力。 图像转印装置，图像定影装置或配准装置包括相对的辊，转印辊和用于将相对的辊压在转印辊上的压缩弹簧。 将一片转印材料输送到相对辊和转印辊之间的夹持部分中，其中相对辊上的图像转印到转印材料上。 该设备包括保持单元，其被配置为在第一旋转体和第二旋转体之间保持一定距离，只要穿过夹持部分的转印材料的厚度保持相同即可。

    Image forming apparatus
    9.
    发明申请
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US20090220277A1

    公开(公告)日：2009-09-03

    申请号：US12379505

    申请日：2009-02-24

    申请人： Toshiyuki Andoh ,  Takashi Hashimoto ,  Takashi Hodoshima ,  Hidetaka Noguchi ,  Seiji Hoshino ,  Tatsuhiko Oikawa ,  Tetsuo Watanabe

    发明人： Toshiyuki Andoh ,  Takashi Hashimoto ,  Takashi Hodoshima ,  Hidetaka Noguchi ,  Seiji Hoshino ,  Tatsuhiko Oikawa ,  Tetsuo Watanabe

    IPC分类号： G03G15/00

    CPC分类号： G03G15/0131 ,  G03G15/1605 ,  G03G15/161 ,  G03G2215/00738 ,  G03G2215/0154 ,  G03G2215/0158

    摘要： An image-carrier driving unit drives an image carrier. An image forming unit forms an image on the image carrier. A moving-member driving unit drives a moving member that is movable towards and away from the image carrier. A detecting unit detects a position of the moving member at predetermined sampling times while the moving member is moving. A movement control unit performs a feedback control on the moving-member driving unit such that a detection result of the detecting unit follows a target value corresponding to each of the predetermined sampling times when the moving member moves while the image forming unit is forming the image on the image carrier.

    摘要翻译： 图像载体驱动单元驱动图像载体。 图像形成单元在图像载体上形成图像。 移动构件驱动单元驱动能够朝向和远离图像载体移动的移动构件。 检测单元在移动构件移动时以预定的采样次数检测移动构件的位置。 移动控制单元对移动构件驱动单元执行反馈控制，使得当图像形成单元正在形成图像时，检测单元的检测结果遵循与移动构件移动时的每个预定采样次数相对应的目标值 在图像载体上。