RECREATIONAL DEVICE WITH ROTOR ASSEMBLY
First Claim
Patent Images
1. A recreational device, comprising:
- a plurality of struts forming a prolate spheroid frame; and
two or more rotor assemblies each having a plurality of blades, the two or more rotor assemblies being disposed within the prolate spheroid frame, the two or more rotor assemblies changing at least one aerodynamic aspect of flight of the recreational device when air passes through the prolate spheroid frame and across the plurality of blades of the two or more rotor assemblies as the recreational device spirals during flight.
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Abstract
Recreational footballs with rotor assemblies are provided herein. An example football includes a plurality of struts forming a prolate spheroid frame; and one or more rotor assemblies each having a plurality of blades, the one or more rotor assemblies being disposed within the prolate spheroid frame, the one or more rotor assemblies changing at least one aerodynamic aspect of flight of the recreational device when air passes through the prolate spheroid frame and rotates the plurality of blades of the one or more rotor assemblies.
24 Citations
20 Claims
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1. A recreational device, comprising:
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a plurality of struts forming a prolate spheroid frame; and two or more rotor assemblies each having a plurality of blades, the two or more rotor assemblies being disposed within the prolate spheroid frame, the two or more rotor assemblies changing at least one aerodynamic aspect of flight of the recreational device when air passes through the prolate spheroid frame and across the plurality of blades of the two or more rotor assemblies as the recreational device spirals during flight. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A football, comprising:
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a plurality of struts forming a frame, the frame having open ends that allow air to pass into and out of the frame through the open ends; and two or more rotor assemblies each having; a drum; and a plurality of blades that are rotatably supported within each of the drums, the two or more rotor assemblies being disposed within the frame, the plurality of blades of the two or more rotor assemblies rotating when the football is thrown through the air. - View Dependent Claims (17, 18, 19)
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20. A recreational device, comprising:
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a plurality of struts forming a prolate spheroid frame having at least one open end; two or more rotor assemblies each having a plurality of radially arranged blades; and means for rotatably supporting the plurality of radially arranged blades within the prolate spheroid frame in such a way that the plurality of radially arranged blades freely rotate within the prolate spheroid frame.
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Specification