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Educational and amusement device

  • US 4,595,369 A
  • Filed: 03/08/1985
  • Issued: 06/17/1986
  • Est. Priority Date: 03/08/1985
  • Status: Expired due to Fees
First Claim
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1. An amusement device comprising:

  • a hollow transparent sphere;

    a first length of transparent tubing;

    a second length of transparent tubing;

    a transparent cylinder;

    said transparent cylinder being disposed within said transparent sphere, the axis of said transparent cylinder passing through the center of said transparent sphere, and each end of said transparent cylinder being attached to the inside surface of said transparent sphere;

    the ends of said first length of transparent tubing being attached to the two ends, respectively, of said transparent cylinder;

    said first length of transparent tubing being configured in a cylindrical helix, the axis of said cylindrical helix being coincidental with said axis of said transparent cylinder;

    an intermediate section of said first length of transparent tubing being attached to said transparent cylinder at an intermediate point along the length of said transparent cylinder;

    the ends of said second length of transparent tubing being attached to the inside surface of said hollow transparent sphere adjacent to the two ends, respectively, of said transparent cylinder;

    said second length of transparent tubing being configured in a spherical helix, the axis of said spherical helix being coincidental with said axis of said transparent cylinder;

    an intermediate section of said second length of transparent tubing being attached to the inside surface of said hollow transparent sphere;

    a first moveable member disposed within said first length of transparent tubing;

    said first moveable member having a convex periphery and having a maximum cross-sectional dimension less than the inside diameter of said second length of transparent tubing; and

    a second moveable member disposed within said second length of transparent tubing;

    said second moveable member having a convex periphery and having a maximum cross-sectional demension less than the inside diameter of said second length of transparent tubing.

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