发明名称 Charging member having foamed elastic portion, charging apparatus, process cartridge, and image forming apparatus
摘要 A charging member for charging a member to be charged, includes an elastic foam member provided at a surface of the charging member, the elastic with wall portion defining the cell portions, wherein gaps connecting said cell portions have areas which are not less than 5% and not more than 50%, for respective cells.
申请公布号 US2002197082(A1) 申请公布日期 2002.12.26
申请号 US20020123248 申请日期 2002.04.17
申请人 CANON KABUSHIKI KAISHA 发明人 HOSOKAWA TAKAHIRO;ISHIYAMA HARUMI;CHIGONO YASUNORI;HIRABAYASHI JUN
分类号 G03G5/147;G03G15/02;(IPC1-7):G03G15/02 主分类号 G03G5/147
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