Magnetic guiding apparatus of elevator
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United States of America Patent
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Jan 1, 2013
Grant Date -
Mar 10, 2011
app pub date -
Aug 20, 2010
filing date -
Sep 8, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A guide apparatus includes a pair of guide rails, magnet units, pedestals, a sensor unit, a magnetic guide control apparatus as a control unit, and projected parts. The magnet unit includes electromagnets and permanent magnets and magnetic poles thereof are opposed to a blade of the guide rail from three directions with a gap. The projected parts are formed with side parts of a tip part of a central magnetic pole opposite to a tip surface of the blade of the guide rail among the magnetic poles of the magnet unit being brought closer to the guide rail than a center section thereof.
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