Fixing device and image forming apparatus incorporating same
US8364052B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2010 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Aug 12, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2048
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device includes a hollow, stationary metal roller, a flexible fuser belt, a rotatable pressure member, a fuser pad, a reinforcing member, and a heating assembly. The metal roller has an outer circumference thereof subjected to heating. The flexible fuser belt is looped for rotation around the metal roller to transfer heat radially outward from the heated metal roller. The fuser pad is held stationary inside the loop of the fuser belt to press against the pressure member through the fuser belt to form a fixing nip. The reinforcing member is disposed stationary within the roller interior. The heating assembly is disposed stationary within the roller interior to heat the metal roller from inside, and includes a first heater and a second heater. The first and second heaters are arranged in juxtaposition with each other along the inner circumference of the metal roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.