发明名称 DEVELOPING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE DEVELOPING DEVICE
摘要 A developing device and an electrophotographic image forming apparatus are disclosed. The developing device includes a ferromagnetic member arranged to cover at least partially the outer circumferences of two repulsive magnets of a developing roller so as to form a separating portion from which the developing agent remaining residual on the developing roller is released.
申请公布号 US2011044730(A1) 申请公布日期 2011.02.24
申请号 US20100729637 申请日期 2010.03.23
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 KWON KI-HWAN;KWEON SOON-CHEOL
分类号 G03G15/09 主分类号 G03G15/09
代理机构 代理人
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