Fusing system including a tensioned belt with crowned roller

Details Fusing system including a tensioned belt with crowned roller Fusing system including a tensioned belt with crowned roller

2007-09-18

2007-09-18

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Fixing

C219S216000

Reexamination Certificate

active

11234354

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.

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