Fusing system including a tensioned belt with crowned roller
US7272353B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Mar 17, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/2064
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In accordance with a first aspect of the present invention, a system is provided for fusing an unfixed toner image to a substrate including a rotatable hot fusing roll and a backup belt assembly. The belt assembly may include a backup belt and a housing structure having a nip forming pressure roll. The backup belt may be wrapped about the housing structure including the nip forming pressure roll. The pressure roll includes a crown shape and the housing structure preferably includes structure for creating a generally uniform tension across the length of the belt in a direction transverse to a process direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.