Invention Grant
- Patent Title: Fixing apparatus and image forming apparatus
- Patent Title (中): 固定装置和成像装置
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Application No.: US13361379Application Date: 2012-01-30
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Publication No.: US08761626B2Publication Date: 2014-06-24
- Inventor: Hiroshi Seo
- Applicant: Hiroshi Seo
- 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: JP2011-030112 20110215
- Main IPC: G03G15/20
- IPC: G03G15/20

Abstract:
A disclosed fixing apparatus includes a heat generating layer; an exciting coil; a magnetic shunt layer; a degaussing member; and a magnetic flux adjusting unit. A heat generating rotor is configured with at least the heat generating layer, the exciting coil is arranged outside the heat generating rotor and the degaussing member is arranged inside the heat generating rotor. The fixing apparatus is configured to control a temperature of the heat generating layer with a self temperature control function using a Curie temperature of the magnetic shunt layer which is disposed in an opposing location of the exciting coil. A magnetic path forming member which forms a magnetic path of the exciting coil is arranged on the back face side of the degaussing member that is the reverse side of the magnetic shunt layer with the degaussing member inbetween.
Public/Granted literature
- US20120207502A1 FIXING APPARATUS AND IMAGE FORMING APPARATUS Public/Granted day:2012-08-16
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