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US 6,793,552 B2Granted
Radio controlled surfboard with robotic rider controlled by two-string roto-wing
OwnerSteven J. Derrahinventor
Life of this patent
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Abstract
A radio controlled toy is provided with a robotic rider that catches waves via an electric motor and propeller, then rides waves like a real surfer, and rights itself after a wipeout comprising a novel way to rotate the robotic rider's upper torso and to disburse the motor room heat allowing for long run times.
Claims10
A radio controlled steerable self-propelled surfboard toy capable of moving on water comprised of:
- a posed robotic rider with a light upper body and an attached lower body;
- a motorized self propelled surfboard having a hull with sufficient buoyancy to keep the surfboard afloat on water, and having a general longitudinal axis, said surfboard having an upper surface said upper surface supporting said robotic rider and an under surface;
- a keelson molded to said under surface;
- a heat sink fitted into said keelson capable of transferring heat from an interior area of the hull to outside surroundings;
- a variable speed motor enclosed in said hull;
- a power source operatively connected to the motor;
- a radio wave signal allows an operator to continuously and differentially vary, at an operator's option any level of power supplied from the power source to the motor;
- a steering system which combines rudder movements turning in sync with movements of the upper and lower body of the robotic rider to shift weight of robotic rider from one side of the surfboard to another side of the surfboard by means of a two string roto-wing.
5 more elements
Dependencies are inferred from the claim text.