Patent ID: 8342293

Claim:
A guiding apparatus comprising: a pair of guide rails laid in a vertical direction inside an elevator-shaft and configured to be formed of a magnetic substance; a magnet unit comprising an electromagnet, a permanent magnet, and magnetic poles configure to face to an blade of the guide rail from three directions with a gap; a pedestal configured to fasten the magnet unit to a cage arranged between the guide rails; a sensor unit configured to detect physical quantities in a magnetic circuit formed by the guide rails and the magnet unit; a control unit configured to control a current passed through the electromagnet based on the physical quantities to support the cage with respect to the guide rails in a noncontact manner; and projected parts configured to formed at each of both ends of a tip portion of a central magnetic pole, which is among the magnetic poles of the magnet unit, opposite to a tip surface of the blade of the guide rail, the projected part being closer to the guide rail than a center part thereof.