TIRE/WHEEL ASSEMBLY FOR A SUPPORT STRUCTURE

A tire and wheel assembly includes a tire, a circular hub member for securing to a rotatable axle of a vehicle, the rim piece having a first annular ring flange for engaging the tire, a rim piece for engaging the hub member, a second annular ring flange for engaging the tire, and a plurality of cylindrical shafts for each axially engaging the first annular ring flange at one axial end of each of the shafts and the second annular ring flange at another opposite axial end of each of the shafts.