Clamp style wheel bushing

A wheel and drive axle assembly comprising, a drive axle, an integral wheel and wheel hub section defining an axle opening and an arcuate axle bearing surface in said wheel hub section engaging said drive axle, means defining a rectangular key slot and a tapered keyway in said wheel hub and said axle, a key frictionally locked in said key slot and adapted for withdrawing from said keyway when said hub is loosened from said axle, reinforcing ribs between said wheel hub section and wheel extending downwardly from the wheel hub section to broaden the base and reinforce said wheel hub section, means defining counterbored and threaded holes in said wheel hub section with the counterbore on the axle engaging side of said wheel hub section, a cap hub section defining an arcuate axle bearing surface for engaging said drive axle and fastening portions in spaced relation to said wheel hub section, means defining bored holes in said cap hub section aligned with said counterbored and threaded holes in said wheel hub section, a plurality of cap screws extending through said bored holes in said cap hub section and threadedly engaging the threaded portion of the counterbored and threaded holes in said wheel hub section to thereby provide resiliance of the free length of said bolts to retain locking of said wheel on said drive axle under varying stress and thermal conditions.