Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhiro Aridome0
Fumikata Andoh0
Hideki Konno0
Shinobu Kanatani0
Date of Patent
September 12, 2006
0Patent Application Number
111879020
Date Filed
July 25, 2005
0Patent Primary Examiner
Patent abstract
A polygon mirror scanner is disclosed, comprising a rotor having a rotating shaft, a polygon mirror having a regular prism and having a mirror surface on each side thereof, and a magnet; a bearing device, rotatably bearing the rotor, having a radial bearing, a thrust bearing, and a stator yoke; and a stator having a coil facing the magnet with a predetermined distance therebetween, wherein the radial bearing and the thrust bearing are exchangeable at the end of their useful life while maintaining a desired level of high precision and tolerances for proper and efficient operation of the polygon mirror scanner.
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