发明授权
- 专利标题： Developing apparatus, process cartridge, and image forming apparatus
- 专利标题（中）： 显影装置，处理盒和成像装置
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申请号： US14111609申请日： 2012-04-06
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公开(公告)号： US09081329B2公开(公告)日： 2015-07-14
- 发明人: Hidetoshi Hanamoto , Toshikazu Tsuchiya , Tsutomu Ishida , Shinji Hosoya , Taku Fukita , Hidehiro Ushiozu
- 申请人： Hidetoshi Hanamoto , Toshikazu Tsuchiya , Tsutomu Ishida , Shinji Hosoya , Taku Fukita , Hidehiro Ushiozu
- 申请人地址： JP Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Canon USA Inc IP Division
- 优先权： JP2011-092366 20110418
- 国际申请： PCT/JP2012/002430 WO 20120406
- 国际公布： WO2012/144152 WO 20121026
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
When a stirring member that stirs developer in a developer containing portion rotates at high speed, toner flies and the detection accuracy of light transmission type toner remaining amount detection is degraded. A developing apparatus including a developer containing portion that contains developer, a stirring member that stirs the developer in the developer containing portion, and a partition member which is disposed to separate the developer containing portion from a space adjacent to the developer containing portion and which bends to block at least a part of a light path, which is formed in the space and used to detect an amount of the developer, when being pressed by the stirring member via the developer.
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