POLYGON MIRROR SCANNER MOTOR

PROBLEM TO BE SOLVED: To provide a polygon mirror scanner motor capable of achieving silence with a simple structure.SOLUTION: The polygon mirror scanner motor includes: a polygon mirror 112; and a top plate 113 arranged at a position adjacent to the polygon mirror 112 in an axis direction. The top...

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Bibliographische Detailangaben
Hauptverfasser: FUKUI YASUTSUGU, YAMAMOTO MICHIHARU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a polygon mirror scanner motor capable of achieving silence with a simple structure.SOLUTION: The polygon mirror scanner motor includes: a polygon mirror 112; and a top plate 113 arranged at a position adjacent to the polygon mirror 112 in an axis direction. The top plate 113 has a radius larger than the polygon mirror 112. A surface, not facing the polygon mirror 112, of the top plate 113 has an inclined part 113b inclined from a rotation center toward an outer edge, and at the inclined part 113b, thickness of the top plate 113 changes in a radial direction.