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Wheel assembly capable of lateral movement

  • US 7,552,977 B2
  • Filed: 07/26/2007
  • Issued: 06/30/2009
  • Est. Priority Date: 10/08/2004
  • Status: Active Grant
First Claim
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1. A wheel assembly capable of forward or reverse motion as well as lateral motion comprising:

  • a first wheel assembly comprising a main wheel, a hub and at least one spoke joining said hub to said main wheel, said first wheel assembly rotatable on an axle;

    a plurality of small rotatable outer wheels positioned laterally on the main wheel, wherein said main wheel functions as the axle for said small rotatable outer wheels; and

    ,a lateral braking system carried by said wheel, said lateral braking system movable from a position contacting said small rotatable outer wheels thereby precluding rotation of said small rotatable outer wheels to a position permitting rotation of said small rotatable outer wheels.

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