发明名称 |
ROTARY MEMBER, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS |
摘要 |
PROBLEM TO BE SOLVED: To provide a rotary member that has superior wear resistance with respect to bearings and stable conductivity and to provide a developing device and an image forming apparatus that have the rotary member. SOLUTION: The rotary member 26 includes support members that are formed to be supported by the bearings. Each support member has: flanges 33 and 34 serving as spindle core elements and made of an aluminum alloy; and cylindrical members 35 formed of stainless steel and covering longitudinal areas of flanges 33 and 34 in slide-contact with conductive bearings formed by sintering an iron-copper powder alloy. COPYRIGHT: (C)2009,JPO&INPIT |
申请公布号 |
JP2009075223(A) |
申请公布日期 |
2009.04.09 |
申请号 |
JP20070242349 |
申请日期 |
2007.09.19 |
申请人 |
RICOH CO LTD |
发明人 |
OMORI KOICHI;MIKAMI KATSUMASA;KUMADA KATSUMI;SUZUKI YUICHIRO;TOYODA MINORU;OMORI YOSHITAKA |
分类号 |
G03G15/08 |
主分类号 |
G03G15/08 |
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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