发明授权
- 专利标题： Developing device and image forming apparatus incorporating same
- 专利标题（中）： 显影装置和包含其的图像形成装置
-
申请号： US14193372申请日： 2014-02-28
-
公开(公告)号： US09176430B2公开(公告)日： 2015-11-03
- 发明人: Hideo Yoshizawa , Noriyuki Kimura , Yoshihiro Fujiwara , Yuki Oshikawa , Sohichi Abe
- 申请人： Hideo Yoshizawa , Noriyuki Kimura , Yoshihiro Fujiwara , Yuki Oshikawa , Sohichi Abe
- 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, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2013-050432 20130313
- 主分类号： G03G21/00
- IPC分类号： G03G21/00 ; G03G15/08 ; G03G15/09
摘要：
A developing device includes a developer bearer to carry developer, disposed facing an image bearer, a developer conveyance member disposed facing the developer bearer, to agitate and supply developer to the developer bearer, a decompression portion surrounded by upper walls of the developing device and including multiple vents arranged in a longitudinal direction of the developing device and a filter. A number of the multiple vents is greater in either end portion than in a center portion in the longitudinal direction of the developing device.
公开/授权文献
信息查询
