发明申请
- 专利标题: Fixing Device And Image Forming Apparatus
- 专利标题(中): 固定装置和成像装置
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申请号: US13346093申请日: 2012-01-09
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公开(公告)号: US20120177423A1公开(公告)日: 2012-07-12
- 发明人: Takahiro Imada , Masaaki Yoshikawa , Kenji Ishii , Hiroshi Yoshinaga , Yuji Arai , Naoki Iwaya , Tetsuo Tokuda , Hiromasa Takagi , Yoshiki Yamaguchi , Ippei Fujimoto , Takuya Seshita , Yutaka Ikebuchi , Arinobu Yoshiura , Toshihiko Shimokawa , Hajime Gotoh
- 申请人: Takahiro Imada , Masaaki Yoshikawa , Kenji Ishii , Hiroshi Yoshinaga , Yuji Arai , Naoki Iwaya , Tetsuo Tokuda , Hiromasa Takagi , Yoshiki Yamaguchi , Ippei Fujimoto , Takuya Seshita , Yutaka Ikebuchi , Arinobu Yoshiura , Toshihiko Shimokawa , Hajime Gotoh
- 申请人地址: JP Tokyo
- 专利权人: RICOH COMPANY, LIMITED
- 当前专利权人: RICOH COMPANY, LIMITED
- 当前专利权人地址: JP Tokyo
- 优先权: JP2011-003341 20110111
- 主分类号: G03G15/20
- IPC分类号: G03G15/20
摘要:
According to an embodiments, a fixing device includes: an endless fixing member; a heating unit that is provided inside an inner peripheral surface of the fixing member; and a nip forming unit that comes into press-contact with a rotationally driven pressing member with the fixing member interposed therebetween to form a nip. The nip forming unit has a shape in which a center of a contact surface protrudes toward the pressing member compared to both ends. The nip forming unit has a protruding amount at a center toward the pressing member compared to both ends of the nip forming unit in no-load state is set to be less than a bent amount of the nip forming unit when the nip forming unit comes into press-contact with the pressing member with the fixing member interposed therebetween.
公开/授权文献
- US09158250B2 Fixing device and image forming apparatus 公开/授权日:2015-10-13