Patent ID: 7398982

Claim:
A suspension device comprising: a knuckle formed by a knuckle body and a lower arm support bracket fastened to and directly engaging front and rear fastening portions provided in a lower portion of the knuckle body with front and rear bolts, wherein a surface area of an uppermost portion of the lower arm support bracket engaging the front and rear fastening portions of the knuckle body is less than a surface area of a lower most portion of the front and rear fastening portions of the knuckle body engaging the lower arm support bracket; and a lower arm having an inner end portion in a vehicle width direction connected to a vehicle body, and an outer end portion in the vehicle width direction connected to the lower arm support bracket; an angle of a line connecting fastening surfaces of the front and rear fastening portions changing according to a bump and a rebound of the knuckle, wherein the angle of the line moves closer to the horizontal as the knuckle bumps from a normal position.