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    Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member
    2.
    发明公开
    Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member 有权
    电接触元件，显影装置，处理盒和电子照相成像设备具有该电接触元件

    公开(公告)号：EP1209538A2

    公开(公告)日：2002-05-29

    申请号：EP01128127.6

    申请日：2001-11-27

    申请人： CANON KABUSHIKI KAISHA

    发明人： Oguma, Toru, Canon Kabushiki Kaisha ,  Watanabe, Kazushi, Canon Kabushiki Kaisha ,  Karakama, Toshiyuki, Canon Kabushiki Kaisha

    IPC分类号： G03G15/09

    CPC分类号： G03G21/1814 ,  G03G15/0907 ,  G03G21/1652 ,  G03G21/1676 ,  G03G21/1867 ,  G03G2221/166 ,  G03G2221/183

    摘要： An electric contact member (29) for applying a development bias voltage to a development sleeve (12) for developing an electrostatic latent image formed on an electrophotographic photosensitive drum (7) which electric contact member is used by being attached to a flange (28) to be attached to an end portion of the development sleeve. The electric contact member (29) includes: a coil spring portion (29b) for being electrically connected with a frame side electrode (30) provided on a frame (13) supporting the development sleeve, which coil spring portion is projected from one end portion of the flange when the electric contact member is attached to the flange; a contact portion (29a) for contacting with an inner surface of the development sleeve when the flange, to which the electric contact member is attached, is attached to the end portion of the development sleeve, which contact portion is to be projected from the other end portion of the flange; and a connecting portion (29c) for connecting the coil spring portion and the contact portion, which connecting portion is disposed in the inside of the flange when the electric contact member is attached to the flange.

    摘要翻译： 用于施加显影偏压电压于显影套筒（12），用于形成在到电子照相感光鼓静电潜像的显影的电接触件（29），该电接触部件用于通过被连接到凸缘（7），（28） 在显影套筒的端部附连到。 所述电接触件（29），包括：用于为与设置支承显影套筒，其中螺旋弹簧部分从一个端部突出的框架（13）上的框架侧电极（30）电连接的螺旋弹簧部分（29B） 凸缘当电接触构件被附接至所述凸缘的; 为当凸缘，向其中电接触件被安装，附接至显影套筒，其中接触部是的端部与显影套筒的内表面相接触的接触部（29A）从所述其他被投影 凸缘的端部; 和用于连接螺旋弹簧部分和接触部分，连接时的电接触构件被附接至凸缘，其在凸缘的内处理完毕的部分的连接部分（29C）。