发明名称 FIXING DEVICE AND IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To prevent entrainment of a recording medium to a fixing member without reducing image quality of a fixed image.SOLUTION: A fixing device 20 includes an endless fixing belt 21, a pressure roller 31 that comes into contact with an outer peripheral surface of the fixing belt 21, and a nip forming member 26 that is arranged on an inner peripheral side of the fixing belt 21 and comes into contact with the pressure roller 31 via the fixing belt 21 to form a nip; and drives to rotate the fixing belt 21 by the torque of the pressure roller 31. The nip forming member 26 has a protrusion shape part 27 on a nip part side on an exit side of a nip part N in a recording medium conveyance direction, and a contact state of the protrusion shape part 27 and an inner peripheral surface of the fixing belt 21 is made variable.
申请公布号 JP2014178533(A) 申请公布日期 2014.09.25
申请号 JP20130052951 申请日期 2013.03.15
申请人 RICOH CO LTD 发明人 YOSHIURA ARINOBU
分类号 G03G15/20 主分类号 G03G15/20
代理机构 代理人
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