Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing roller
US7187900B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2004 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0081
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus comprising a fixing roller, an endless fixing belt engaged at least with the fixing roller, and a pressing roller opposite to the fixing roller with the endless fixing belt between them; wherein the image forming apparatus is equipped with a pressure changing member for changing the mean pressure on a second pressing area against which the pressing roller pressed the fixing roller via the fixing belt in the pressure area formed by the pressing roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.