Patent ID: 8122993

Claim:
A four wheel drive all-terrain vehicle, comprising: a frame including longitudinally spaced-apart ends defining a first longitudinal axis, the frame comprising a frame front end portion; a plurality of wheels operably coupled to the frame; a steering linkage operatively coupled between an operator input steering portion and at least one of the plurality of wheels, the steering linkage comprising a lower steering assembly having a rotatable coupler and a fixed portion front and rear differentials; and a power steering assembly operatively coupled to the steering linkage, the power steering assembly comprising an electric motor and a gear box, the gear box comprising an input shaft and an output shaft, the input shaft being operatively coupled to the operator input steering portion, wherein, the rotatable coupler comprising a shaft which is supported at its free end, a bearing is positioned at the free end of the rotatable coupler shaft and the bearing is held within an aperture by the fixed portion of the lower steering assembly and the rotatable coupler shaft rotates relative to the bearing; and the aperture is integrated within the front differential housing.