Invention Grant
- Patent Title: Fixing device and image forming apparatus incorporating same
- Patent Title (中): 固定装置和包含其的图像形成装置
-
Application No.: US13305015Application Date: 2011-11-28
-
Publication No.: US08693934B2Publication Date: 2014-04-08
- Inventor: Motokazu Hasegawa , Susumu Matsusaka , Tsuyoshi Hashiyada
- Applicant: Motokazu Hasegawa , Susumu Matsusaka , Tsuyoshi Hashiyada
- 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: JP2010-281886 20101217
- Main IPC: G03G15/20
- IPC: G03G15/20

Abstract:
A fixing device includes an induction heater disposed opposite a heating rotary body and including a first side core disposed at one end of the induction heater, a second side core disposed at another end of the induction heater in a direction of rotation of the heating rotary body, and a plurality of arch cores arranged in an axial direction of the heating rotary body. Each arch core includes a first vault edge face disposed at one end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the first side core and a second vault edge face disposed at another end of the arch core in the direction of rotation of the heating rotary body and contacting a planar face of the second side core.
Public/Granted literature
- US20120155933A1 FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME Public/Granted day:2012-06-21
Information query