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1. 发明专利

JP5038724B2 The fixing device and an electrophotographic apparatus having the same 有权
公开(公告)号：JP5038724B2
公开(公告)日：2012-10-03
申请号：JP2007000615
申请日：2007-01-05
申请人：株式会社リコー
发明人：平岡　　力 , 博好松本 , 克己熊田 , 千春鴨志田
IPC分类号： G03G15/20

2. 发明专利

JP5041778B2 The fixing device and an electrophotographic apparatus of the electrophotographic apparatus 有权
公开(公告)号：JP5041778B2
公开(公告)日：2012-10-03
申请号：JP2006281860
申请日：2006-10-16
申请人：株式会社リコー
发明人：敏夫小木曽 , 平岡　　力 , 博好松本 , 克己熊田 , 千春鴨志田
IPC分类号： G03G15/20

3. 发明专利

JP4791845B2 The image forming apparatus including the fixing device and fixing device 有权
公开(公告)号：JP4791845B2
公开(公告)日：2011-10-12
申请号：JP2006042604
申请日：2006-02-20
申请人：株式会社リコー
发明人：雅広八木 , 小幡　　茂 , 敏夫小木曽 , 平岡　　力 , 博好松本 , 千春鴨志田
IPC分类号： G03G15/20
CPC分类号： G03G15/206

4. 发明专利

JP5402408B2 A fixing device for the roller, a fixing device, an image forming apparatus, roller replacement aid of the fixing device, roller exchange method of the fixing device 有权
公开(公告)号：JP5402408B2
公开(公告)日：2014-01-29
申请号：JP2009199997
申请日：2009-08-31
申请人：株式会社リコー
发明人：千春鴨志田 , 昌澤畑 , 源一郎川道
IPC分类号： G03G15/20
CPC分类号： G03G21/1685 , G03G15/2042 , G03G15/2053 , G03G2221/1639

5. 发明专利

JP5354350B2 A fixing device and an image forming apparatus using the same 有权
公开(公告)号：JP5354350B2
公开(公告)日：2013-11-27
申请号：JP2009046620
申请日：2009-02-27
申请人：株式会社リコー
发明人：良州佐々木 , 昌澤畑 , 健小野寺 , 源一郎川道 , 千春鴨志田
IPC分类号： G03G15/20 , B65H5/00
摘要： PROBLEM TO BE SOLVED: To provide a fixing device that has a contact heat member and a suction mechanism for causing a recording medium to be sucked to the contact heat member, suppresses blocking of the air passage of the suction mechanism without blowing air from a suction part, and maintains close contact between the recording medium and the contact heat member; and to provide an image forming apparatus using the fixing device. SOLUTION: The fixing device 2 includes: a preheat plate 25 that heats continuous recording paper 4 in contact with this paper 4; and the suction mechanism 40 that drives a suction blower 34 to cause the suction part 27 to produce negative pressure, thereby drawing the continuous recording paper 4 to the suction part 27, so that the continuous recording paper 4 is sucked to the preheat plate 25. The fixing device fixes a toner image to the continuous recording paper 4 by heating the continuous recording paper 4 holding the unfixed toner image on its surface. The suction mechanism 40 has an intermediate chamber 29, serving as a foreign matter separating means, for separating foreign matter from air in the air passage through which air passes from the suction part 27 to a suction blower 34. COPYRIGHT: (C)2010,JPO&INPIT

6. 发明专利

JP5353218B2 The fixing device 有权
公开(公告)号：JP5353218B2
公开(公告)日：2013-11-27
申请号：JP2008316606
申请日：2008-12-12
申请人：株式会社リコー
发明人：千春鴨志田 , 源一郎川道 , 良州佐々木
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device excellent in maintenance which is used for an image forming apparatus such as a copying machine or a printer. SOLUTION: The fixing device includes a pressure roller 12 and a heat roller 11 that is cylindrical and incorporates a detachable heater lamp 16 used for heating. An absorber 14 is disposed near one end of the heat roller 11 in order to prevent heat radiated from the heater lamp 16 from being dissipated from the end. A hole 14a for inserting the heater lamp 16 is formed in the absorber 14. The vicinity of the hole 14a is inclined in a tapering form along a direction in which the heater lamp 16 is inserted. COPYRIGHT: (C)2010,JPO&INPIT

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