Heating device having resin layer over core metal of heating...

Details Heating device having resin layer over core metal of heating... Heating device having resin layer over core metal of heating...

2005-11-29

2005-11-29

Wilson, Gregory (Department: 3749)

Heating

Advancing structure flexing, looping or coiling sheet, web...

Internally heated roll

C492S046000

Reexamination Certificate

active

06969252

ABSTRACT:
A heating device is used in an image forming apparatus. In the heating device, a resin layer is provided between a core metal of a fixing roller and a ball bearing. The resin layer is adhered to the core metal so as to obviate a noise, caused by a rubbing of the resin layer against a ball bearing, which is otherwise produced when the resin layer is provided as a separate part. Between the resin layer and the ball bearing, a material of the resin layer is selected and the resin layer is configured to have a rough surface with a coefficient of dynamic friction of the surface of the resin which is a predetermined value, and thereby minimizing the production of the noise.

REFERENCES:
patent: 5404214 (1995-04-01), Yoshimoto et al.
patent: 6101363 (2000-08-01), Tomatsu
patent: 6463252 (2002-10-01), Omoto et al.

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