Patent ID: 7117982

Claim:
A shock absorber for a vehicle, comprising: a cylindrical shock absorber outer shell, adapted to receive an inner shell therein; a mounting portion disposed bulgingly on an outer surface of the shock absorber outer shell, said mounting portion being fixed to the outer surface of the outer shell; a spring seat sleeved over the shock absorber outer shell and engaged to the mounting portion; a suspension coil spring sleeved over the shock absorber outer shell, the suspension coil spring having a lower end supported on said spring seat, wherein the mounting portion includes a cylindrical portion around the outer surface of the shock absorber outer shell, the cylindrical portion having, on a top face thereof, a flat face portion perpendicular to an axis line of the shock absorber outer shell, and the spring seat includes a cylindrical seat body positioned around the cylindrical portion of the mounting portion, a seat portion projecting from an outer side of the cylindrical seat body and supporting the suspension coil spring, and an engagement portion projecting from an inner side of the cylindrical seat body and engaged with the flat face portion of the mounting portion; and a travel stop device disposed between the spring seat and the mounting portion, to stop relative rotation and upward/downward-direction travel between the spring seat and the mounting portion, the travel stop device including a projection projected from an inner surface of the seat body and extending in parallel with the axis line of the shock absorber outer shell, the projection having a first width, and a notch groove disposed in the mounting portion and extending in parallel with the axis line of the shock absorber outer shell, the notch groove having a second width that is less than the first width, wherein the projection is press fit into the notch groove, to fix the projection within the notch groove.