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    Image forming apparatus and process cartridge
    3.
    发明公开
    Image forming apparatus and process cartridge 有权
    Bilderzeugungsgerätund Arbeitseinheit

    公开(公告)号：EP1113344A2

    公开(公告)日：2001-07-04

    申请号：EP00311755.3

    申请日：2000-12-28

    申请人： CANON KABUSHIKI KAISHA

    发明人： Murayama, Kazunari, c/o Canon Kabushiki Kaisha ,  Numagami, Atsushi, c/o Canon Kabushiki Kaisha ,  Kojima, Hisayoshi, c/o Canon Kabushiki Kaisha ,  Ueno, Takahito, c/o Canon Kabushiki Kaisha

    IPC分类号： G03G21/18

    CPC分类号： G03G21/185 ,  G03G2215/0119 ,  G03G2215/021 ,  G03G2221/1603 ,  G03G2221/1654

    摘要： A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, comprising:

    a cartridge frame;
    an electrophotographic photosensitive drum supported on the cartridge frame;
       wherein the photosensitive drum has a downstream side end, with respect to a mounting direction in which the process cartridge is mounted to t main assembly of the apparatus in the axial direction of the photosensitive drum, is supported on the cartridge frame for movement n a direction crossing with the axis direction of the photosensitive drum;

    process means actable on the photosensitive drum;
    a cartridge drum positioning portion for positioning the photosensitive drum to t main assembly of the apparatus by engagement with a main assembly drum positioning portion provided in the main assembly of the apparatus when the process cartridge is mounted to t main assembly of the apparatus, wherein the cartridge drum positioning portion is disposed coaxially with the photosensitive drum;
    a cartridge frame positioning portion for positioning the cartridge frame to t main assembly of the apparatus by engagement with a main assembly frame positioning portion provided in the main assembly of the apparatus when the process cartridge is mounted to the main assembly of the apparatus;
       wherein the cartridge frame positioning portion is disposed at a leading end portion with respect to a mounting direction in which the process cartridge is mounted to the main assembly of the apparatus, and the cartridge frame positioning portion is disposed so as to be coaxial with the photosensitive drum when the cartridge drum positioning portion is engaged with the main assembly drum positioning portion so that photosensitive drum is positioned to the main assembly of the apparatus.

    摘要翻译： 一种可拆卸地安装到电子照相成像设备的主组件上的处理盒，包括：盒框架; 支撑在盒框架上的电子照相感光鼓; 其中感光鼓的下游侧端部相对于处理盒在感光鼓的轴向方向上安装到设备的主组件的安装方向上被支撑在盒框架上用于运动na方向交叉 与感光鼓的轴向; 处理装置可在感光鼓上作用; 盒式磁带定位部分，用于当处理盒被安装到设备的主组件上时，通过与设置在设备的主组件中的主组件鼓定位部分接合来将感光鼓定位到设备的主组件， 盒式鼓定位部分与感光鼓同轴设置; 盒架定位部分，用于当处理盒安装到设备的主组件时，通过与设置在设备的主组件中的主组件框架定位部分接合来将盒框架定位到设备的主组件; 其中，所述盒架定位部分相对于所述处理盒安装到所述装置的主组件的安装方向设置在前端部，并且所述盒框架定位部分设置成与所述感光体同轴 当盒式鼓定位部分与主组件鼓定位部分接合时，感光鼓定位在设备的主组件上。