Patent ID: 7503537

Claim:
A power seat slide apparatus, comprising; a lower rail adapted to be provided on a floor of a vehicle; an upper rail slidably supported by the lower rail and adapted to support a seat for a vehicle; a screw member supported by the upper rail and the lower rail; a feed nut member arranged on one of the lower rail and the upper rail and threaded onto the screw member; a retaining bracket arranged on the other one of the lower rail and the upper rail and the screw member being positioned in the retaining bracket; a first engaging member and a second engaging member arranged on the screw member so as to oppose each other via the retaining bracket and cooperatively sandwiching the retaining bracket in an axial direction of the screw member; and a drive unit transmitting a rotating drive force to the screw member, wherein the first engaging member and the second engaging member include a plurality of nut members arranged opposing one another via the retaining bracket, one of the plurality of nut members being threadably engaged with the screw member so as to be integrally connected therewith.