Fixing unit with air blowing apparatus

Details Fixing unit with air blowing apparatus Fixing unit with air blowing apparatus

2007-06-05

2007-06-05

Gray, David M. (Department: 2852)

Electrophotography

Internal machine environment

Forced air circulation

C399S334000

Reexamination Certificate

active

11256831

ABSTRACT:
An image forming apparatus provided with a fixing unit, the fixing unit comprising: a fixing member having a heating member therein; a pressing member that presses against the fixing member, wherein an image supporting material carrying a toner image is grasped and conveyed by a nipping portion formed between the fixing member and the pressing member and the toner image is fixed by applying heat and pressure at the nipping portion; an air blowing section provided downstream of the nipping portion on a conveying path of the image supporting material; and an air flow path switching section that switches an air blow of the air blowing section in accordance with a size of the image supporting material for both ends of the conveying path and for both ends of the fixing member.

REFERENCES:
patent: 3941471 (1976-03-01), Schatka et al.
patent: 2002/0186986 (2002-12-01), Makihira
patent: 04-051179 (1992-02-01), None
patent: 04051179 (1992-02-01), None
patent: 05-107983 (1993-04-01), None
patent: 2003-020149 (2003-01-01), None

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