Fixing device and image forming apparatus

Details Fixing device and image forming apparatus Fixing device and image forming apparatus

2006-08-15

2008-10-07

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S107000

Reexamination Certificate

active

07433643

ABSTRACT:
A fixing device is provided in image forming apparatuses such as a printer and the like and performs a fixing by heating to a recording sheet on which a toner image is transferred. The fixing device includes: a heating source adapted for performing fixing of a toner image onto a recording medium by heat; a fixing roller including a thin-wall cylinder rotatable about an axis thereof and carrying the heating source therein, the recording medium being placed on a peripheral surface of the cylinder; an annular heat-insulating member coaxially mounted on an outside surface of the fixing roller; and a C-shaped stopper attached to the peripheral surface of the fixing roller for preventing the annular heat-insulating member from moving out of the fixing roller, the C-shaped stopper including at least three engaging portions.

REFERENCES:
patent: 5298957 (1994-03-01), Haupt et al.
patent: 6276832 (2001-08-01), Wade, III
patent: 9-325634 (1997-12-01), None
patent: 10-3223 (1998-01-01), None

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