Image forming apparatus with heat dissipation unit and...

Details Image forming apparatus with heat dissipation unit and... Image forming apparatus with heat dissipation unit and...

2007-03-20

2007-03-20

Royer, William J. (Department: 2852)

Electrophotography

Internal machine environment

Forced air circulation

C399S094000

Reexamination Certificate

active

10875799

ABSTRACT:
An image forming apparatus includes a shielding member protruding from a top surface of an upper frame and forming a chamber portion having a predetermined area together with an upper cover of the main body covering the shielding member so as to include a plurality of heat dissipating holes perforated in the upper frame at predetermined intervals along a lengthwise direction, and a pump installed at one side of the chamber portion and blowing air into the chamber portion to form a laminar flow to prevent heat generated by a fusing roller from heating an upper cover of the image forming apparatus.

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patent: 7003242 (2006-02-01), Kida
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patent: 2000-003083 (2000-01-01), None
patent: 2000-293089 (2000-10-01), None

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