发明授权
US07058335B2 Process cartridge and image forming apparatus with toner fed cleaning mode
失效
处理墨盒和成像设备，带有墨粉清洁模式
- 专利标题： Process cartridge and image forming apparatus with toner fed cleaning mode
- 专利标题（中）： 处理墨盒和成像设备，带有墨粉清洁模式
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申请号： US10461399申请日： 2003-06-16
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公开(公告)号： US07058335B2公开(公告)日： 2006-06-06
- 发明人: Kenji Sugiura , Nekka Matsuura , Yasushi Nakazato , Takahiko Tokumasu , Kazuhito Watanabe , Noriyoshi Tarumi
- 申请人： Kenji Sugiura , Nekka Matsuura , Yasushi Nakazato , Takahiko Tokumasu , Kazuhito Watanabe , Noriyoshi Tarumi
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2002-174721 20020614; JP2003-160247 20030605
- 主分类号： G03G15/02
- IPC分类号： G03G15/02
摘要：
A charging device of the present invention includes a charging member and a body to be charged forming a nip therebetween. Charge-promoting conductive grains, frictionally charged to polarity opposite to the polarity of a voltage applied to the charging member, are held at the above nip. The charging device is operable in a cleaning mode for cleaning the body to be charged.
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