发明名称 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide a developing device in which respective functions of collection of developer from a developer carrier and supply of developer to the developer carrier are highly separated and in which developer is discharged while the developer is circularly conveyed, and an image forming apparatus, such as a copy machine, a printer, and a facsimile machine, provided with the developing device. <P>SOLUTION: A developing device includes a developer carrier 41 that moves in a direction opposite to a moving direction of an image carrier 1 in a developing part 42 and performs development of the image carrier 1. Developer agitation conveyance members 43, 44, 45 for agitating two-component developer while circularly conveying the developer have: a member 43 for collecting the two-component developer having passed through the developing part 42 from the developer carrier 41 to convey the developer in a first direction; and members 44, 45 for supplying the two-component developer collected by the member 43 from the developer carrier 41 to the developer carrier 41 while conveying the developer in a second direction different from the first direction. The members 44, 45 include a member 45 for discharging excess developer. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013029674(A) 申请公布日期 2013.02.07
申请号 JP20110165776 申请日期 2011.07.28
申请人 RICOH CO LTD 发明人 KATO KOICHI
分类号 G03G15/08;G03G15/095 主分类号 G03G15/08
代理机构 代理人
主权项
地址