Fixing device

Details Fixing device Fixing device

2007-04-10

2007-04-10

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S328000

Reexamination Certificate

active

11075743

ABSTRACT:
A fixing device includes an endless fixing belt which is tensionless in a circumferential direction in a center part in a lateral direction and supported to circularly move, a heating device that heats the fixing belt, a pressure roll contacted with an outer peripheral face and supported to rotate around an axis, a pressure member contacted with an inner peripheral face to exert pressure on the pressure roll, and a support member passed through inside the fixing belt and supporting the pressure member. Preferably, an unfixed toner image on a recording medium passing the nip part which is formed between the fixing belt and the pressure roll is pressurized and heated to be formed into a fixed image, and the fixing belt is kept in a round shape in the circumferential direction near both side edges and supported to rotate around a center axis determined by the support member.

REFERENCES:
patent: 2003/0063931 (2003-04-01), Sanpei et al.
patent: 2006/0182474 (2006-08-01), Naito et al.
patent: 7-281549 (1955-11-01), None
patent: 7-281461 (1995-10-01), None
patent: 2003-084591 (2003-03-01), None
patent: 2003-122149 (2003-04-01), None
patent: 2003-223064 (2003-08-01), None

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