Image forming apparatus with hot air dispersing structure

Details Image forming apparatus with hot air dispersing structure Image forming apparatus with hot air dispersing structure

2005-08-12

2008-12-09

Gray, David M. (Department: 2852)

Electrophotography

Internal machine environment

Forced air circulation

C399S107000, C399S405000

Reexamination Certificate

active

07463842

ABSTRACT:
An image forming apparatus is disclosed wherein an image reading portion is provided in spaced relationship with a top surface of an image forming portion. Further, in the apparatus: a supporting column portion is standingly provided on the image forming portion for supporting the image reading portion in a cantilevered manner; a tubular duct portion is provided inside the supporting column portion with an axial direction being substantially a vertical direction; an exhaust port is provided at the supporting column portion for exhausting air of the duct portion; and an intake port is provided below the exhaust port for delivering air from inside the image forming portion to the duct portion.

REFERENCES:
patent: 5920758 (1999-07-01), Ohtsuki
patent: 6112040 (2000-08-01), Saito et al.
patent: 1205458 (1999-01-01), None
patent: 2001236000 (2001-08-01), None
patent: 2003-298792 (2003-10-01), None
patent: 2004-0085184 (2004-10-01), None

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