Fixing device and image forming apparatus

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

2007-07-10

2007-07-10

Tran, Hoan (Department: 2852)

Electrophotography

Image formation

Fixing

Reexamination Certificate

active

11052218

ABSTRACT:
A fixing device includes a pressure roll having elasticity or flexibility which is a driving roller, a heat-resistant endless belt being in contact with the pressure roll to form a nip zone through which a recording medium passes, the heat-resistant endless belt rotating as driven by the pressure roll, a pressing supporting body disposed inside the heat-resistant endless belt and having a flat segment to press the heat-resistant endless belt for making the nip zone nearly flat, a heat source disposed inside the heat-resistant endless belt, the pressing supporting body being arranged between the heat source and the nip zone. Preferably, the heat-resistant endless belt is directly heated by radiant heat from the heat source and heated by thermal conduction through the pressing supporting body.

REFERENCES:
patent: 5528351 (1996-06-01), Tsuji
patent: 6674978 (2004-01-01), Suzuki et al.
patent: 6734397 (2004-05-01), Kato et al.
patent: 7010256 (2006-03-01), Usui et al.
patent: 2002/0094212 (2002-07-01), Suzumi
patent: 2003/0077092 (2003-04-01), Ogawa et al.
patent: 7-287460 (1995-10-01), None
patent: 2001-51530 (2001-02-01), None

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