公开(公告)号：EP1050783A3

公开(公告)日：2000-11-15

申请号：EP00303597.9

申请日：2000-04-28

申请人： CANON KABUSHIKI KAISHA

发明人： Noda, Shinya, c/o Canon Kabushiki Kaisha ,  Sasaki, Teruhiko, c/o Canon Kabushiki Kaisha ,  Akutsu, Takashi, c/o Canon Kabushiki Kaisha ,  Sasago, Yoshikazu, c/o Canon Kabushiki Kaisha ,  Batori, Yoshiyuki, c/o Canon Kabushiki Kaisha ,  Terada, Ichiro, c/o Canon Kabushiki Kaisha

IPC分类号： G03G15/09

CPC分类号： G03G21/1867 ,  G03G15/0907 ,  G03G15/0935 ,  G03G21/1652 ,  G03G21/1676 ,  G03G2221/166 ,  G03G2221/183

摘要： A developing device includes a frame (12); a developer carrying member (10d) for carrying a developer to develop an electrostatic image formed on an image bearing member, the developer carrying member including a first cylindrical portion (10d) and a second cylindrical portion (20a,20b) provided at an end of the cylindrical portion and supported by a bearing portion (21a,21b); a magnet (10c) provided in the developer carrying member, the magnet being extended from inside of the developer carrying member to outside thereof; a first electroconductive portion (28,29) supported on the magnet and extended from inside of the developer carrying member to outside thereof; a second electroconductive portion (30) provided in the developer carrying member and electrically connected with an inner surface (10d1) of the first cylindrical portion and in slidable contact inside the developer carrying member with the first electroconductive portion; in addition a third electroconductive portion (25) including a first electrical contact portion (25b) electrically connected with the first electroconductive portion outside of the developer carrying member and a second electrical contact portion (25a) disposed at a position different from the first electrical contact portion and electrically connected with an electrical contact (26) of a main assembly of an image forming apparatus; wherein a developing bias is applied to the developer carrying member from the electrical contact of the main assembly of the image forming apparatus by way of, e.g., the third electroconductive portion, the second electroconductive portion and the first electroconductive portion.

公开(公告)号：EP0923004A3

公开(公告)日：2000-07-12

申请号：EP98310048.8

申请日：1998-12-08

申请人： CANON KABUSHIKI KAISHA

发明人： Nagashima, Toshiaki, c/o Canon Kabushiki Kaisha ,  Sasaki, Teruhiko, c/o Canon Kabushiki Kaisha ,  Chadani, Kazuo, c/o Canon Kabushiki Kaisha ,  Koizumi, Toru, c/o Canon Kabushiki Kaisha

IPC分类号： G03G15/08

CPC分类号： G03G21/1832 ,  G03G15/0896 ,  G03G21/1875 ,  G03G2215/088 ,  G03G2221/1648 ,  G03G2221/1663 ,  G03G2221/183

摘要： A seal member for sealing an opening of a developer accommodating container for accommodating a developer, which developer accommodating container is detachably mountable to a main assembly of an image forming apparatus, includes a seal base for sealing the opening; a force receiving portion for receiving force for unsealing the seal base; an electroconductive portion capable of being disconnected by an unsealing operation of the seal base, the electroconductive portion including a contact portion electrically connectable with a contact portion of the main assembly of the image forming apparatus to permit the main assembly of the image forming apparatus to detect whether the electroconductive portion is disconnected or not.

摘要翻译： 用于容纳显影剂的容器用于容纳显影剂的开口的密封的密封部件，其中显影剂容纳容器可拆卸地安装到图像形成装置的主组件上，包括用于密封所述开口的密封件基座; 的力，用于接收力开封密封基座接收部分; 到导电能够通过在密封件基座的启封手术被断开的部分，所述导电部分包括接触部与所述图像形成装置的主组件的接触部分电连接，以允许图像的主组件形成装置，以检测 无论导电部分被切断或没有。