Patent ID: 8038197

Claim:
A power seat apparatus for a vehicle, comprising: a lower rail provided at a vehicle floor; an upper rail slidably supported by the lower rail and holding a seat for the vehicle; a screw member rotatably arranged between the lower rail and the upper rail and extending in a direction where the upper rail is slidable; a feed nut member fixed to the lower rail and meshed with the screw member; a retention member fixed to the upper rail; a fitting member rotatably held by the retention member and fixed to the screw member; a gear box mounted on the retention member and rotatably supporting an output rotation member that is rotatably connected to the screw member; and a drive unit transmitting a rotation drive force to the screw member by means of the output rotation member supported by the gear box; and first and second cut-and-lifted portions formed at first and second longitudinal walls of the upper rail respectively, the cut-and-lifted portions making contact with the fitting member when a load is applied to the screw member in an axial direction thereof to distribute the load to the upper rail, the cut-and lifted portions being formed by bending portions of the first and second longitudinal walls.