Toner image fixing device and image forming apparatus

Details Toner image fixing device and image forming apparatus Toner image fixing device and image forming apparatus

2007-08-29

2010-10-12

Gray, David M (Department: 2852)

Electrophotography

Image formation

Fixing

C399S330000

Reexamination Certificate

active

07813686

ABSTRACT:
A roller member includes a cylindrical core bar. The roller member is rotatably supported at both ends, and forms a nip, to which a recording medium is conveyed, by making a contact with another member. The core bar satisfies 1.0≦ΔD/D1×100≦3.0, where D1is an outer diameter of the core bar in millimeters and ΔD is an outer diameter deformation value of a convey direction in millimeters.

REFERENCES:
patent: 2002/0085866 (2002-07-01), Okayasu et al.
patent: 2002/0141775 (2002-10-01), Mitsuoka et al.
patent: 5-45738 (1993-06-01), None
patent: 8-314307 (1996-11-01), None
patent: 2002-318502 (2002-10-01), None
patent: 2003-98880 (2003-04-01), None
patent: 3506135 (2003-12-01), None

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