发明名称 |
Contact charging member for charging a photosensitive drum having improved durability and a method for making the same |
摘要 |
A charging member contactable to a member to be charged to electrically charge it, the improvement residing in that a microhardness of an end region, with respect to a longitudinal direction, of the charging member is larger than that in a central region of the charging member.
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申请公布号 |
US5576805(A) |
申请公布日期 |
1996.11.19 |
申请号 |
US19950404912 |
申请日期 |
1995.03.16 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
ISHIHARA, YUZI;MIZOE, KIYOSHI;ASHIBE, TSUNENORI |
分类号 |
G03G15/02;G03G15/16;(IPC1-7):G03G15/02 |
主分类号 |
G03G15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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