Patent ID: 7530587

Claim:
A vehicle suspension system, which restricts a maximum bump amount of a vehicle body, and connects a swing member rotatably supporting a wheel and swinging up and down to the vehicle body via a suspension spring, the vehicle suspension system comprises: a bump stopper supporting member; a spacer encompassed by the bump stopper supporting member; and a bump stopper provided on one of the swing member and the vehicle body, wherein a lowermost portion of the spacer extends into an internal cavity of the bump stopper and an upper part of the bump stopper is held between and directly against an outer surface of the spacer and an inner surface of a lower part of the bump stopper supporting member, the bump stopper comprising: an axis; a substantially cylindrical tip end which abuts an abutment surface provided on the other one of the swing member and the vehicle body; and an apex formed at the tip end of the bump stopper, wherein abutment is initiated, in a circumferential direction of the tip end, in a state wherein the abutment surface inclines relative to the axis of the bump stopper, and wherein the apex at the tip end of the bump stopper first abuts the abutment surface and is located at an intermediate portion of the bump stopper in a direction of a wall thickness (t) of the bump stopper.