Invention Grant
- Patent Title: Fixing device, image forming apparatus incorporating same, and fixing method
- Patent Title (中): 固定装置，结合其的成像装置和固定方法
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Application No.: US12852079Application Date: 2010-08-06
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Publication No.: US08213827B2Publication Date: 2012-07-03
- Inventor: Akira Shinshi , Kenichi Hasegawa , Hiroshi Yoshinaga , Yoshiki Yamaguchi , Yutaka Ikebuchi , Ippei Fujimoto , Shuntaroh Tamaki , Toshihiko Shimokawa , Naoki Iwaya
- Applicant: Akira Shinshi , Kenichi Hasegawa , Hiroshi Yoshinaga , Yoshiki Yamaguchi , Yutaka Ikebuchi , Ippei Fujimoto , Shuntaroh Tamaki , Toshihiko Shimokawa , Naoki Iwaya
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-201196 20090901
- Main IPC: G03G21/20
- IPC: G03G21/20 ; G03G15/20
Abstract:
In a fixing device, a metal member is provided inside a fixing belt to heat the fixing belt. A first lubricant is applied between the metal member and the fixing belt at a center portion of the fixing belt in an axial direction of the fixing belt that contacts a recording medium bearing a toner image. A second lubricant having a viscosity greater than a viscosity of the first lubricant is applied between the metal member and the fixing belt at lateral edge portions of the fixing belt in the axial direction of the fixing belt that do not contact the recording medium.
Public/Granted literature
- US20110052245A1 FIXING DEVICE, IMAGE FORMING APPARATUS INCORPORATING SAME, AND FIXING METHOD Public/Granted day:2011-03-03
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