Patent ID: 8251335

Claim:
A seat slide device comprising: a lower rail adapted to be fixed to a floor of a vehicle; an upper rail adapted to be fixed to a vehicle seat, the upper rail being supported by the lower rail to be movable relative to the lower rail; a first stopper provided to the lower rail, the first stopper having a fixed end, which is fixed to the lower rail, and a free end; and a second stopper provided to the upper rail, the second stopper having a fixed end, which is fixed to the upper rail, and a free end, wherein the first and second stoppers each have a facing surface that faces and is contactable with the facing surface of the other stopper along the moving direction of the upper rail, the first and second stoppers being engaged with each other so as to limit the movement range of the upper rail relative to the lower rail, wherein, on at least one of the facing surfaces of the first and second stoppers, an inclination angle is provided that is inclined relative to a plane perpendicular to the moving direction of the upper rail such that the free end projects in the moving direction of the upper rail further toward the other facing surface than the fixed end.