Amusement devices: toys – Operated by relatively moving fluid or pressure differential – Having fluid-driven rotatable radial blade
Patent
1996-05-29
1998-03-17
Yu, Mickey
Amusement devices: toys
Operated by relatively moving fluid or pressure differential
Having fluid-driven rotatable radial blade
416132A, 416240, D10 59, D21 93, A63H 3340
Patent
active
057279802
ABSTRACT:
A decorative wind device that rotates about a central point. The axis of rotation can vary depending upon several factors including the direction of the wind and the speed or intensity of the wind. The device includes multiple strips of flexible, lightweight material that are connected at a common point at one end (the top of the device); the bottom ends of the strips are not connected at a common point but are, instead, linked to multiple concentric connecting rings made of, for example, sections of connecting material such as wire. The strips are positioned at an angle that places them in an optimum position to be blown by the wind. The resulting device, when hung outdoors or in any other area that has a source of wind, requires very little wind current to cause it to rotate. Further, because of the lightweight, flexible material used for the strips, the strips bend when the wind blows upon them, deforming the device into a pleasing, rounded shape approaching the shape of a sphere. Since there is no rigid central shaft, there is nothing to keep the top and bottom of the strips from being urged towards each other during rotation.
REFERENCES:
patent: D278131 (1985-03-01), Felix
patent: 1669748 (1928-05-01), Greger
patent: 1852383 (1932-04-01), Walkner
patent: 3374763 (1968-03-01), Browning
patent: 3747263 (1973-07-01), Grossberg
patent: 4850798 (1989-07-01), Bailey
Simpson Donald C.
Simpson Mark D.
Yu Mickey
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