Fixing device and image forming apparatus

Electrophotography – Image formation – Fixing

Reexamination Certificate

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Details

C399S330000

Reexamination Certificate

active

07962084

ABSTRACT:
A fixing device comprises a heating roll; an endless belt; and a pressurizing member that forms a pressure contact portion for pushing the endless belt against an outer peripheral surface part of the heating roll from an inner peripheral surface side of the pressurizing member so that a recording medium holding an unfixed image passes between the pressure contact portion and the heating roll, wherein the pressurizing member includes: a hard pressurizing member and a soft pressurizing member the hard pressurizing member, and the soft pressurizing member are disposed in a state in which a clearance is present between the hard pressurizing member and the soft pressurizing member in a specific region part so that at least a specific recording medium passes in a fixing region of the pressure contact portion in the rotating axis direction of the heating roll.

REFERENCES:
patent: 5621512 (1997-04-01), Uehara et al.
patent: 5809389 (1998-09-01), Tamura et al.
patent: 7664452 (2010-02-01), Nakajima
patent: 2008/0175613 (2008-07-01), Fukai et al.
patent: 8-262903 (1996-10-01), None
patent: 11-045025 (1999-02-01), None
patent: 2004-205620 (2004-07-01), None
patent: 2005-004126 (2005-01-01), None
patent: 2006-017867 (2006-01-01), None
patent: 2006-276104 (2006-10-01), None
patent: 2007-057784 (2007-03-01), None
patent: 2008-102484 (2008-05-01), None
patent: 2008-233133 (2008-10-01), None

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