CPC B60C 11/24 (2013.01) [B65G 39/02 (2013.01); B65G 2207/48 (2013.01)] | 18 Claims |
18. A drive wheel for a power drive unit of a cargo handling system, comprising:
a hub comprising a hub mounting surface, wherein the hub mounting surface comprises at least one visual wear indicator;
a tire mounted on the hub and in overlying relation to the at least one visual wear indicator, wherein the at least one visual wear indicator is recessed relative to an outer surface of the tire when the tire has acceptable wear, wherein the at least one visual wear indicator is visible on the outer surface of the tire when the tire has worn and reached a replacement condition; and
a rotational axis, the hub and the tire coaxially disposed relative to the rotational axis.
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