Patent ID: 7878600

Claim:
A wheel for supporting an industrial vehicle, comprising: an annular tire formed of polyurethane, the tire having a substantially cylindrical inner surface, the inner surface including axially-parallel keys, the keys having a consistent width extending in a direction parallel to the axis of the wheel and not extending to an outer-tire-edge; and a hub engaging the inner surface, including: an annular portion having axially-parallel slots, the slots substantially shaped as the negative of the shape of the keys to facilitate interaction with the keys when the tire is received about the annular portion of the hub; and a retention element configured to removably attach to the hub thereby retaining the tire about the annular portion of the hub, the retention element including a first plate and a second plate, each plate being configured to removably attach to opposite sides of the hub and extend over a portion of a tire sidewall when affixed to the sides of the hub; wherein the tire and hub arc secured together through interaction of the keys and the slots.