发明申请
US20140270838A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
有权
开发装置和成像装置的图像形成装置
- 专利标题： DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- 专利标题（中）： 开发装置和成像装置的图像形成装置
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申请号： US14193372申请日： 2014-02-28
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公开(公告)号： US20140270838A1公开(公告)日： 2014-09-18
- 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
- 优先权： JP2013-050432 20130313
- 主分类号： G03G21/00
- IPC分类号： G03G21/00
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.
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