发明名称 DEVELOPING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a developing device capable of yielding a high-quality image over a long term. SOLUTION: A notched part is provided on the surface of a magnet roller opposed to a magnetic seal to secure a distance between the magnet roller and the surface of a sleeve, thus the amount of toner scraped by a scraper part is decreased to reduce occurrence of fogging in an edge portion. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007047396(A) 申请公布日期 2007.02.22
申请号 JP20050230987 申请日期 2005.08.09
申请人 CANON INC 发明人 MATSUMARU NAOKI
分类号 G03G15/08 主分类号 G03G15/08
代理机构 代理人
主权项
地址