发明名称 CLEANING DEVICE AND IMAGE-FORMING APPARATUS EQUIPPED WITH THE CLEANING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a cleaning device capable of polishing a photoconductive drum uniformly and stably by forming a toner layer with uniform thickness on a surface of a cleaning roller even if an amount of toner supplied to the cleaning roller increases or decreases and of polishing the photoconductive drum stably even after prolonged use, and an image-forming apparatus equipped with the cleaning device. <P>SOLUTION: A cleaning device comprises: a cleaning roller which is arranged in the form of contacting a photoconductive drum; a cleaning blade which is provided downstream of the cleaning roller in a rotation direction of the photoconductive drum in the form of contacting the photoconductive drum, and scrapes toner adhering to a surface of the drum; and a toner-layer-thickness controlling roller which rotates in a state of contacting the cleaning roller. The toner-layer-thickness controlling roller is shaped like a crown with a center part having an external diameter lager than the external diameter of each end part in an axial direction. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011221144(A) 申请公布日期 2011.11.04
申请号 JP20100088103 申请日期 2010.04.06
申请人 KYOCERA MITA CORP 发明人 SHIMIZU KATSUMI;MURATA TAKAHIKO;OTA KATSUYA;KOBAYASHI KIYOTAKA
分类号 G03G21/10 主分类号 G03G21/10
代理机构 代理人
主权项
地址