Patent ID: 8919720

Claim:
A seat slide apparatus for a vehicle comprising: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members, which allow the upper rail to move with respect to the lower rail in the front-rear direction, and which are arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part by elastic force so as to suppress the upper rail from rattling upwards with respect to the lower rail, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction of the vehicle and is curved in the front-rear direction of the vehicle, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction of the vehicle.