Patents Examined by Wiliam H. Grieb
  • Patent number: 4077623
    Abstract: A circular trampoline supported by a frame, a flexible sheet comprising the surface of the trampoline adapted for exercising use having a central opening therein. A column is disposed vertically passing through the opening, carrying a canopy over a superstructure having a plurality of trapezes suspended downwardly therefrom. The trapezes extend over the flexible sheet of the trampoline. The column may be rotatably secured to the frame supporting the flexible sheet. A collar is affixed to the flexible sheet about the periphery of the opening. A line is provided to displace the central regions of the flexible sheet downwardly in a non-exercising conical position so as to enable the apparatus to be utilized in playing games, such as roulette, by having one end of the line being secured to the collar and having portions of the line releasably secured to a cleat affixed to the frame.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: March 7, 1978
    Inventor: Joseph Clausell