发明名称 Developing device and image forming apparatus using the same
摘要 A developing device for an image forming apparatus of the present invention includes a developing roller made up of a sleeve and a magnet roller and a doctor facing the surface of the sleeve. The edge of the doctor faces the sleeve at a particular position selected to stabilize the amount of a developer to be scooped up, protect the developer from deterioration, and allow an adequate amount of charge to deposit on the developer by friction.
申请公布号 US6751433(B2) 申请公布日期 2004.06.15
申请号 US20020268790 申请日期 2002.10.11
申请人 RICOH COMPANY, LTD. 发明人 SUGIHARA KAZUYUKI
分类号 G03G9/10;G03G15/08;G03G15/09;(IPC1-7):G03G15/09 主分类号 G03G9/10
代理机构 代理人
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