Self-stabilizing rotating toy

Details Self-stabilizing rotating toy Self-stabilizing rotating toy

A - Human Necessities

63

H

A63H 27/127 (2006.01) A63H 30/04 (2006.01) A63H 33/18 (2006.01)

Patent

CA 2497323

A rotating toy may then include a hub having a central axis and a lower portion; a plurality of counter rotating blades extending outwardly from the lower portion of the hub, the plurality of counter rotating blades having a tip connected to an outer ring; a single means for rotating the hub and blades sufficiently quickly to generate a major portion of the lift generated by the aircraft 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 aircraft includes a center of gravity above the plurality of counter rotating blades to provide a self-stabilizing rotating toy. In furtherance thereto the single rotating means may be secured on the central axis and positioned below the counter rotating blades.

Cette invention concerne un jouet rotatif pouvant comporter un moyeu à axe central et une partie inférieure ; une pluralité de pales contre-rotatives partant de la partie inférieure du moyeu et reliées chacune par une de leurs extrémités à un anneau extérieur ; un dispositif à rotation simple faisant tourner le moyeu et les pales à une vitesse suffisante pour assurer l'essentiel de la portance produite par l'aéronef. Le moyeu comporte une partie supérieure disposée au dessus de la pluralité de pales contre-rotatives et du dispositif à rotation simple de telle sorte que l'aéronef a son centre de gravité situé au-dessus des pales contre-rotatives, ce qui fait de lui un jouet rotatif auto-stabilisateur. En variante, le dispositif à rotation simple peut être fixé sur l'axe central en un point situé au-dessous des pales contre-rotatives.

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