发明授权
US08989607B2 Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member
有权
包括检测固定部件的外表面上的带的速度的热定影装置和包括其的图像形成装置
- 专利标题： Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member
- 专利标题（中）： 包括检测固定部件的外表面上的带的速度的热定影装置和包括其的图像形成装置
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申请号： US13049330申请日： 2011-03-16
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公开(公告)号： US08989607B2公开(公告)日： 2015-03-24
- 发明人: Satoshi Ueno , Masanao Ehara , Tadashi Ogawa , Hiroshi Seo , Takamasa Hase , Shuutaroh Yuasa
- 申请人： Satoshi Ueno , Masanao Ehara , Tadashi Ogawa , Hiroshi Seo , Takamasa Hase , 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, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2010-058724 20100316
- 主分类号： G03G15/20
- IPC分类号： G03G15/20
摘要：
A thermal fixing device includes a fixing member, a flexible endless belt, a flexible endless belt, a rotary pressure member, a heating unit, and a rotation detector. The flexible endless belt is disposed on an outer circumferential surface of the fixing member. The rotary pressure member is disposed parallel to and pressing against the fixing member via the endless belt. The heating unit heats the endless belt. The rotation detector detects a rotation speed of the endless belt. The heating unit is powered off when the rotation speed of the endless belt detected by the rotation detector is at or below a predetermined threshold value.
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