Heating roller with end covers in an image forming apparatus

Details Heating roller with end covers in an image forming apparatus Heating roller with end covers in an image forming apparatus

2011-01-25

2011-01-25

Gray, David M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S328000

Reexamination Certificate

active

07877042

ABSTRACT:
An image forming apparatus includes a fixing unit for fixing a toner image. The fixing unit includes a heating roller and a pressurizing roller opposed to the heating roller and urged toward the heating roller. A unit case rotatably supports both ends of the heating roller in a longitudinal direction of the heating roller. The unit case is open at one side of the heating roller opposed to the pressurizing roller and covers the other side of the heating roller opposite to the pressurizing roller. A pair of pressurizing roller supporting bodies are respectively provided at both ends in a longitudinal direction of the unit case and rotatably support both ends of the pressurizing roller. A pair of end covers cover both the ends of the heating roller in the longitudinal direction of the heating roller.

REFERENCES:
patent: 5835835 (1998-11-01), Nishikawa et al.
patent: 5848331 (1998-12-01), Fromm
patent: S63-226682 (1988-09-01), None
patent: 07049627 (1995-02-01), None
patent: 1996305205 (1996-11-01), None
patent: 2005-037442 (2005-02-01), None
Machine Translation of Takematsu JP Pub 2005-037442.
Japanese Patent Office, Notification of Reasons for Refusal for Japanese Patent Application No. 2005-177993 (Counterpart of above-captioned U.S. patent application), dated Aug. 12, 2008 (Partial translation).

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