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Aligning apparatus including an attraction preventing plate provided between permanent magnet and magnetic member
   
Document Number
US Patent 7547998
Issued Date
June 16, 2009
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Abstract
An aligning apparatus includes a moving member, a magnetic member arranged vertically above the moving member, a stator unit which is arranged vertically below the moving member and has a plurality of coils, a first magnet unit which is provided to the moving member and generates a force with the magnetic member, and a second magnet unit which is provided to the moving member and generates a force with the stator unit.
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Number of Claims:
17
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Published
June 16, 2009
Application Number
11/415,175
Filed
May 2, 2006
US Classification
310/90.5  
Int'l Classification
H02K   41/00   (20060101)  
Examiner
Parent Case
This application is a divisional application of copending U.S. patent application Ser. No. 11/068,784, filed Mar. 2, 2005.
Priority Data
Mar 03, 2004 [JP] 2004-059162
USPTO Field of Search
310/12   310/13   310/90.5   355/53   355/72  
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