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Self-stabilizing rotating toy

DC
  • US 6,899,586 B2
  • Filed: 08/24/2004
  • Issued: 05/31/2005
  • Est. Priority Date: 03/28/2001
  • Status: Expired due to Term
First Claim
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1. A rotating toy comprising:

  • a hub having a central axis and a center portion;

    a plurality of counter rotating lifting blades extending outwardly from the center portion of the hub, the plurality of counter rotating lifting blades having a tip connected to an outer ring;

    a single means for rotating the hub and blades sufficiently to generate a major portion of the lift through the single rotating means; and

    the hub having an upper portion above the plurality of counter rotating blades and above the single rotating means such that the toy includes a center of gravity above a bottom portion of the outer ring to improve self stabilization of the toy.

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