Radio controlled vehicle within a sphere
Patent 4541814 Issued on September 17, 1985. Estimated Expiration Date: 
December 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 23, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References1263262 InventorApplicationNo. 06/564838 filed on 12/23/1983US Classes:446/456, By radio signal446/458, And eccentric weight446/460Steering vehicleExaminersPrimary: Shay, F. BarryAttorney, Agent or FirmInternational ClassA63H 33/00 (20060101)AbstractA radio controlled vehicle within a sphere has two wheels touching the sphere at diametrically opposite points, with the mass of the body of the vehicle hanging underslung from the wheels; to preserve a constant length always fitting the sphere interior the wheel which steers has a steering axis substantially congruent with the sphere diameter on which the wheels touch the sphere; when confronted with an obstacle stopping roll of the sphere in a given direction, the vehicle climbs the interior wall of the sphere and either tumbles backwards or to the side, or may perform an Immelmann maneuver, depending on course taken within the sphere by the wheels which are free to travel in any part of the sphere interior.Field of SearchHaving reversible driveRemotely controlled By radio signal And eccentric weight Having lock for rotary motor or transmission Having instrinsic energy-storing battery or flywheel And clutch ROLLING OR TUMBLING (E.G., WHEELED) Endless track vehicle Including means for causing erratic movement Including wheel- or axle-operated device | |
