发明授权
US07636536B2 Image forming apparatus having an improved developer conveying system
失效
具有改进的显影剂输送系统的图像形成装置
- 专利标题： Image forming apparatus having an improved developer conveying system
- 专利标题（中）： 具有改进的显影剂输送系统的图像形成装置
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申请号： US11516659申请日： 2006-09-07
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公开(公告)号： US07636536B2公开(公告)日： 2009-12-22
- 发明人: Nobuo Iwata , Junichi Matsumoto , Tomoyuki Ichikawa , Natsumi Katoh
- 申请人： Nobuo Iwata , Junichi Matsumoto , Tomoyuki Ichikawa , Natsumi Katoh
- 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, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2005-258644 20050907; JP2006-172536 20060622
- 主分类号： G03G15/08
- IPC分类号： G03G15/08
摘要：
An image forming apparatus includes a conveying pipe configured to convey a developer and a magnetic field generation mechanism configured to generate a magnetic field inside the conveying pipe to affect the developer. The magnet is formed to have lower magnetic intensities at positions upstream and downstream from a middle position of the conveying pipe along a conveying direction of the conveying pipe than a magnetic intensity in the middle of the conveying pipe.
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