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Slim motor and devices mounting the same motor

  • US 6,563,242 B2
  • Filed: 02/20/2001
  • Issued: 05/13/2003
  • Est. Priority Date: 02/18/2000
  • Status: Expired due to Fees
First Claim
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1. A motor comprising:

  • (a) a frame;

    (b) a pipe disposed in said frame and fixed coaxially to said frame;

    (c) a magnet including an inner wall, said pipe being positioned adjacent to the inner wall;

    (d) a coil facing an outer wall of said magnet via an annular space;

    (e) a shaft disposed coaxially with said magnet and said coil;

    (f) a first bearing disposed on an end of said frame, said first bearing supporting a first side of said shaft; and

    (g) a second bearing disposed inside said frame and at least partially disposed within said magnet, said second bearing supporting a second side of said shaft, a portion of said second bearing being positioned between the inner wall and said pipe, wherein a lower end of said magnet overreaches a lower end of said pipe, and said second bearing is disposed under the lower end of said pipe and fixed to the inner wall of said magnet.

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