Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-08-28

2007-08-28

Yan, Ren (Department: 2854)

Electrophotography

Document handling

Copy

C400S625000, C400S693000

Reexamination Certificate

active

10944280

ABSTRACT:
ProblemThe object is to provide an image-forming apparatus which is capable of releasing the heat generated in the apparatus without incorporating a fan.Means for Solving the ProblemThree ribs17are provided to rise on the surface of a recording sheet-receiving tray16and to extend in the sheet discharge direction (arrow A direction) The three ribs17are arranged in the width direction of the recording paper sheet P held on the sheet-receiving tray16. The number of the ribs17may be two, or four or more, regardless of the three ribs17as an example. The sheet-receiving tray16has many apertures16a, 16bfor connection of the inside of the casing12to the outside thereof. The heat generated by a polygon mirror-driving motor18c, a fixation assembly36, and so forth is released through many apertures16a, 16b, 12a. Therefore, the laser beam printer10does not employ a fan for removing the heat from inside of the casing12.

REFERENCES:
patent: 4891678 (1990-01-01), Ishizu et al.
patent: 6134418 (2000-10-01), Kato et al.
patent: 2004/0018034 (2004-01-01), Baek et al.
patent: 06130630 (1994-05-01), None

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