发明申请
- 专利标题： CURL CORRECTING DEVICE AND IMAGE FORMING APPARATUS
- 专利标题（中）： CURL校正装置和图像形成装置
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申请号： US12145424申请日： 2008-06-24
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公开(公告)号： US20090003912A1公开(公告)日： 2009-01-01
- 发明人: Tsuyoshi Nagasaki , Kenichi Hirota , Hiroyuki Takahashi , Hiromitsu Uchida , Hiroshige Inoue , Yoshiyasu Satomi
- 申请人： Tsuyoshi Nagasaki , Kenichi Hirota , Hiroyuki Takahashi , Hiromitsu Uchida , Hiroshige Inoue , Yoshiyasu Satomi
- 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
- 优先权： JP2007-167458 20070626
- 主分类号： G03G15/00
- IPC分类号： G03G15/00
摘要：
A curl correcting device for correcting a curl of a sheet at a curved belt-nip portion includes an endless belt extending between a driving roller and a driven roller, and a pressing roller configured to press a belt surface of the endless belt. A stepping motor is controlled in accordance with a pressing amount of the pressing roller to the belt surface of the endless belt to adjust a speed of the endless belt, thereby preventing the speed from being decreased.
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