DEVELOPING DEVICE AND IMAGE FORMING DEVICE,申请号JP20100019276-传众专利搜索

DEVELOPING DEVICE AND IMAGE FORMING DEVICE

申请公布号：JP2011158646(A)

申请号：JP20100019276

申请日期：2010.01.29

申请公布日期：2011.08.18

申请人：

RICOH CO LTD

发明人：MATSUMOTO JUNICHI;OMURA TOMOYA;MATSUE NATSUMI

分类号：G03G15/08

主分类号：G03G15/08

摘要：<P>PROBLEM TO BE SOLVED: To provide a developing device including a constitution capable of improving charging characteristics by improving dispersibility of a developer and a toner without generating deterioration or the like caused by stress in a short time. <P>SOLUTION: The developing device including a circulation part for agitating and mixing a developer recovered from a developing part with a new toner and introducing the mixture again into the developing part, is provided with a replenished toner mixing conveyance path 64 connected to a conveyance path 62 for conveying the new toner by airflow, separately from a recovery conveyance path 41 of the developer, to thereby convey the new toner and a part of the recovered developer to an agitation part in the previously mixed state. <P>COPYRIGHT: (C)2011,JPO&INPIT