发明授权
- 专利标题： Fixing device, image forming apparatus incorporating same, and fixing method
- 专利标题（中）： 固定装置，结合其的成像装置和固定方法
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申请号： US13161929申请日： 2011-06-16
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公开(公告)号： US08543046B2公开(公告)日： 2013-09-24
- 发明人: Hiroshi Seo , Masanao Ehara , Tadashi Ogawa , Satoshi Ueno , Shuutaroh Yuasa
- 申请人： Hiroshi Seo , Masanao Ehara , Tadashi Ogawa , Satoshi Ueno , Shuutaroh Yuasa
- 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： JP2010-140508 20100621
- 主分类号： G03G15/20
- IPC分类号： G03G15/20
摘要：
A fixing device includes a fixing rotary body to rotate in a predetermined direction of rotation and a pressing rotary body pressed against the fixing rotary body to rotate in a direction counter to the direction of rotation of the fixing rotary body and form a nip therebetween through which a recording medium bearing a toner image passes. A heat generator is disposed opposite the fixing rotary body at a section other than the nip to heat the fixing rotary body. A moving assembly is disposed opposite the heat generator to generate a magnetic force to move the heat generator with respect to the fixing rotary body so as to change one of a pressure and a distance between the heat generator and the fixing rotary body.
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