Patent · US Expired

Fusing system including a tensioned belt with crowned roller

US7272353B2 · kind B2 · utility

2Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2005
Grant dateSep 18, 2007
Priority date
Expiry dateMar 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.