| 摘要 |
A non-pneumatic resilient wheel for an offroad vehicle has a tire defined by a row of rubber ground engaging elements (36) each of which has a pair of similar tread structures which are spaced from a median plane to define a central channel (39) into which mud is funnelled when the wheel is in use. The tread structures are also offset from one another angularly about the tire to avoid clogging with mud. A hollow cavity (44) extends transversely through each tread structure for providing the required resiliency. The cavity is distorted inwardly as the element flexes in use so that mud within the cavity tends to be squeezed into the central channel.
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