发明名称 DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a development device for stably maintaining excellent image quality over a long period of time by preventing developer aggregates from being formed at the upper end of a barrier which partitions a space where a developing sleeve is arranged from a supply conveyance path, and an image forming apparatus including the development device. <P>SOLUTION: In the development device 3, the developer 32 in the supply conveyance path 37 passes a supply communication portion 13a above the barrier 13, so that the developer 32 is supplied to a developer retaining portion 34c retaining the developer 32 to be supplied to the developing sleeve 34a. The developing device 3 includes a paddle member 31 as a developer softening means to soften the developer 32 located above the barrier 13. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011085881(A) 申请公布日期 2011.04.28
申请号 JP20090294609 申请日期 2009.12.25
申请人 RICOH CO LTD 发明人 KUDO TSUNEO;MIYOSHI YASUO;HOSOKAWA HIROSHI;FUJIWARA KOUKO;OKAMOTO HIROAKI
分类号 G03G15/08;G03G15/09 主分类号 G03G15/08
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