发明名称 DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a development device which includes an electrostatic conveyance member moving toner on a surface thereof by a phase-shifting electric field and is capable of satisfactorily collecting the toner on the electrostatic transport member, after passing a development area and is capable of stable development, and to provide an image forming apparatus including the same. <P>SOLUTION: A transport electrode end part 130e, that is the downstream side end and a transport electrode start part 130s that is the upstream side end, in a toner transport direction of an electrostatic transport surface 103a of an electrostatic transport roller 13 are spaced, and the space between them serves as a non-electric field region 136, and a conductive plate 200 as a toner collection means is provided so as to collect toner particles around the transport electrode end part 130e. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007033682(A) 申请公布日期 2007.02.08
申请号 JP20050214828 申请日期 2005.07.25
申请人 RICOH CO LTD 发明人 YAMADA MASAAKI;HORIIE MASANORI;NAKAGAWA YOSHINORI;MIYAGUCHI YOICHIRO;KONDO NOBUAKI
分类号 G03G15/08 主分类号 G03G15/08
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