SCANNING UNIT OF LASER PRINTER MAGNETIC BEARING DEVICE APPLIED THERETO

PROBLEM TO BE SOLVED: To reduce the noise generation by the high-speed rotation of laser printer and to miniaturize a product by using the scanning motor of a magnetic force bearing system. SOLUTION: The magnetic bearing device constituted to include a stationary shaft 14 which is the center of rota...

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Bibliographische Detailangaben
Hauptverfasser:	KOH BYEONGON, KIN EITETSU, LEE CHANG-WOO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CINEMATOGRAPHY CORRECTION OF TYPOGRAPHICAL ERRORS ELECTROGRAPHY ELECTROPHOTOGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LIGHTING LINING MACHINES MAGNETOGRAPHY MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRINTING ROTARY BODIES OTHER THAN GEARING ELEMENTS SELECTIVE PRINTING MECHANISMS SHAFTS STAMPS THERMAL INSULATION IN GENERAL TRANSPORTING TYPEWRITERS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce the noise generation by the high-speed rotation of laser printer and to miniaturize a product by using the scanning motor of a magnetic force bearing system. SOLUTION: The magnetic bearing device constituted to include a stationary shaft 14 which is the center of rotation of a rotary object, a housing 12 in which this stationary shaft is press fitted and fixed, a magnetic thrust stationary magnet 15 which is fixed to the inner peripheral surface of the stationary shaft, a magnetic radial stationary magnet 16 which is fixed atop this housing, a hub 17 to which the rotary object is fixed, a magnetic thrust rotary magnet 18 and magnetic radial rotary magnet 19 which are installed to this hub so as to respectively correspond to the magnetic thrust stationary magnet and the magnetic radial stationary magnet and maintain the specified spacing between the hub, the housing and the stationary shaft is provided.