发明名称 DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a developing device of a non-contact development system suitable to color superposition on a photoconductor, which can stably supply toner to a latent image and does not occure background contamination, and to provide a process cartridge and image forming apparatus. <P>SOLUTION: The developing device 61 includes: a toner replenishing opening 92 for replenishing with toner consumed by development; a developer storage part 100 storing two-component developer composed of toner and carrier; an agitating and charging means for agitating and charging the developer in the developer storage part 100; and a developer bearer 69 for bearing the developer by a magnetic force and conveying the developer to an area opposite an electrostatic toner bearing roller. The process cartridge and an image forming apparatus have this developing device. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008122428(A) 申请公布日期 2008.05.29
申请号 JP20060301128 申请日期 2006.11.07
申请人 RICOH CO LTD 发明人 KADOTA ICHIRO;SUZUKI KAZUMI;KOSUGI HIDEKI;TSUKAMOTO TAKEO
分类号 G03G15/08 主分类号 G03G15/08
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