POLYGONAL MIRROR SCANNER MOTOR AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To solve the problem of obstructing size reduction/speeding-up/and lower pricing of a polygon mirror scanner equipped with a dynamic pressure bearing. SOLUTION: The torque-generating part of a motor is set to a circumferential interacting system with a core, and a shaft-fixed s...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUI YASUTSUGU, SUMI MASAKI, MAETANI AKIMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve the problem of obstructing size reduction/speeding-up/and lower pricing of a polygon mirror scanner equipped with a dynamic pressure bearing. SOLUTION: The torque-generating part of a motor is set to a circumferential interacting system with a core, and a shaft-fixed system of dynamic pressure bearing pivotally bears a rotor part 100, to which a polygonal mirror 103 is attached, whereby the size reduction and higher revolution become possible; and since it can be fixed firmly by fixing a shaft 120 by laser welding directly to an iron circuit board 111, a polygon mirror scanner motor, which can realize thinning and cost reduction, while contriving high reliability, can be provided. COPYRIGHT: (C)2008,JPO&INPIT