Optical scanning apparatus

Details Optical scanning apparatus Optical scanning apparatus

2005-09-19

2008-12-30

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S216100

Reexamination Certificate

active

07471433

ABSTRACT:
The optical scanning apparatus includes a polygonal rotatable mirror which deflects a light beam emitted from a light source, a drive motor which rotates said polygonal rotatable mirror, and an optical box which holds said drive motor, wherein a fitting hole in which a bearing of said drive motor fits, is provided in said optical box, and a wall surface of this fitting hole has notch portions partially arranged. Thereby, the heat release property of the bearing of the polygonal rotatable mirror drive motor becomes good.

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