Fixing device and image forming apparatus incorporating same
US8693934B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2011 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Mar 24, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2032
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.