Patents Assigned to Pro-China Sporting Goods Industries Inc.
  • Unicycle having an eccentric wheel
    Patent number: 5002295
    Abstract: A wheel of a unicycle has two beams disposed in parallel in a rim. A bolt is extended between the beams. The head of the bolt is disposed away from the geometric center of the wheel and the bolt extends through the geometric center of the wheel. Two plates which are connected together by a nut are slidably disposed between the beams. The bolt is engaged with the nut. An axle is extended outward from each plate. A rotation of the head of the bolt causes the axles to move either away or toward the geometric center of the wheel.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: March 26, 1991
    Assignee: Pro-China Sporting Goods Industries Inc.
    Inventor: Fuh T. Lin