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
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