发明授权
- 专利标题： Developing device
- 专利标题（中）： 开发设备
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申请号： US11902295申请日： 2007-09-20
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公开(公告)号： US07697864B2公开(公告)日： 2010-04-13
- 发明人: Shigeru Inaba , Shota Oba , Takashi Yamamuro , Makoto Hirota , Masahiro Andoh
- 申请人： Shigeru Inaba , Shota Oba , Takashi Yamamuro , Makoto Hirota , Masahiro Andoh
- 申请人地址： JP Tokyo
- 专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人： Fuji Xerox Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Morgan, Lewis & Bockius LLP
- 优先权： JP2007-041120 20070221
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
A developing device includes a housing that stores developer; a developing roll that is rotatably supported in the housing and has a developing region with a roughened surface that supplies developer to an image region of an image holding member; a step portion that is formed at both sides of the developing region of the developing roll and whose diameter is smaller than that of the developing region; and a seal member that contacts a region of the step portion that is opposite to the image holding member.
公开/授权文献
- US20080199210A1 Developing device 公开/授权日：2008-08-21