发明名称 FIXING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a fixing device which suppresses generation of wrinkles of the fixing belt to prevent a damage of the fixing belt and prevents an image gap. SOLUTION: The fixing device has: a pair of heating roller 1 and a fixing roller 2 provided in parallel at an interval; a fixing belt 4 rotatably provided by the heating roller 1 and the fixing roller 2; and a pressure roller 5 provided so as to abut on the fixing roller 2 via the fixing belt 4, wherein (α) the fixing belt 4 has guide parts 4A provided with many grooves in the oblique direction from the center side toward the outside on both sides outside the rear side image area, and (β) the fixing roller 2 has many grooves 2a provided so as to be engaged with the many grooves of the guide parts 4A provided on both sides outside the rear side image area of the fixing belt 4 on both edge sides of the fixing roller 2. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007248897(A) 申请公布日期 2007.09.27
申请号 JP20060073200 申请日期 2006.03.16
申请人 RICOH CO LTD 发明人 KASHIWANUMA HIROMASA
分类号 G03G15/20 主分类号 G03G15/20
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