US Patent 10358165 Kingpin unit bearing steerable drive axle assembly

A kingpin unit bearing steerable drive axle for a powered wheel of a vehicle may include a steering knuckle having a first side and a second side, and a unit bearing configured to support a wheeland operatively connected to the first side of the steering knuckle. An axle housing is operatively connected to the second side of the steering knuckle, and the axle housing has an upper arm and a lower arm. A first kingpin connects the upper arm of the axle housing to the steering knuckle; and a second kingpin connects the lower arm of the axle housing to the steering knuckle. The steering knuckle and the axle housing are configured to receive a powered axle shaft to drive the unit bearing.