Image forming apparatus including a metallic driving roller
US7734235B2 · kind B2 · utility
4Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2006 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Sep 5, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0158
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an image forming apparatus, an intermediate transfer belt is made of a resin film and is supported by a plurality of rollers. A driving roller that is one of the plurality of rollers, drives the intermediate transfer belt, and also functions as an opposing unit with respect to a secondary transfer roller. The driving roller is made of metal, and applies a bias to at least secondary transfer units, at least at a time of performing primary transfer to a plurality of image bearing bodies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.