发明公开
EP2077470A1 Magnetic field generating member and manufacturing method thereof
有权
Magnetfelderzeugendes元素和Herstellungsverfahrendafür
- 专利标题： Magnetic field generating member and manufacturing method thereof
- 专利标题（中）： Magnetfelderzeugendes元素和Herstellungsverfahrendafür
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申请号： EP09150003.3申请日： 2009-01-02
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公开(公告)号： EP2077470A1公开(公告)日： 2009-07-08
- 发明人: Takano, Yoshiyuki , Koetsuka, Kyohta , Kamiya, Noriyuki , Ohsawa, Masayuki , Terashima, Mieko , Suzuki, Rei , Abe, Hiroya , Innami, Takashi , Hattori, Tadaaki
- 申请人： Ricoh Company, Ltd.
- 申请人地址： 3-6, Nakamagome 1-chome Ohta-ku Tokyo 143-8555 JP
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： 3-6, Nakamagome 1-chome Ohta-ku Tokyo 143-8555 JP
- 代理机构： Schwabe - Sandmair - Marx
- 优先权： JP2008000749 20080107
- 主分类号： G03G15/09
- IPC分类号： G03G15/09
摘要：
A magnetic field generating member with high stiffness and small size, an image development device, a process cartridge and an image forming apparatus including the magnetic field generating member as well as a manufacturing method of the magnetic field generating member are provided where the magnetic field generating member includes a main body (140), a groove (144) provided in the main body (140), an interposition member (142) configured to be fitted in the groove (144) of the main body (140) and including a concave portion (1423) and a magnetic member as a long magnetic compact (141) fixed into the concave portion (1423) of the interposition member (142).
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