发明授权
- 专利标题： Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus
- 专利标题（中）： 磁场产生元件及其制造方法，磁性颗粒支撑体，图像显影装置，处理盒和图像形成装置
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申请号： US12346142申请日： 2008-12-30
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公开(公告)号： US07917067B2公开(公告)日： 2011-03-29
- 发明人: Yoshiyuki Takano , Kyohta Koetsuka , Noriyuki Kamiya , Masayuki Ohsawa , Mieko Terashima , Rei Suzuki , Hiroya Abe , Takashi Innami , Tadaaki Hattori
- 申请人： Yoshiyuki Takano , Kyohta Koetsuka , Noriyuki Kamiya , Masayuki Ohsawa , Mieko Terashima , Rei Suzuki , Hiroya Abe , Takashi Innami , Tadaaki Hattori
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2008-000749 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, a groove provided in the main body, an interposition member configured to be fitted in the groove of the main body and including a concave portion and a magnetic member as a long magnetic compact fixed into the concave portion of the interposition member.