发明授权
- 专利标题： Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing
- 专利标题（中）： 显影充电元件提供与显影剂极性相同的电压，并且不小于充电起始电压和带内轴承的显影充电辊
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申请号： US09167723申请日： 1998-10-07
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公开(公告)号： US06229979B1公开(公告)日： 2001-05-08
- 发明人: Yasuyuki Ishii , Tadayuki Tsuda , Shinichi Sasaki , Kanji Yokomori , Kouji Hashimoto , Toru Oguma , Nobuharu Hoshi
- 申请人： Yasuyuki Ishii , Tadayuki Tsuda , Shinichi Sasaki , Kanji Yokomori , Kouji Hashimoto , Toru Oguma , Nobuharu Hoshi
- 优先权： JP9-293305 19971009; JP9-293306 19971009; JP9-320442 19971106; JP9-322207 19971107
- 主分类号： G03G1508
- IPC分类号： G03G1508
摘要：
A developing device includes a developing container for accommodating a developer; a developer carrying member, disposed in an opening of the developing container, for carrying a developer; a developer charging member for being contacted to the developer on the developer carrying member and supplied with a voltage of the same polarity as the developer and not less than a discharge start voltage.
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