Patent attributes
A vehicle seat slide device includes a lower rail formed so as to include a first opening portion opening upward and fixed at a vehicle floor, an upper rail supported by the lower rail through the first opening portion so as to be slidable and supporting a vehicle seat, a screw member provided between the upper rail and the lower rail so as to extend in a sliding direction thereof, a nut member fixed at the lower rail and threadedly engaged with the screw member, a covering member formed so as to include an upper wall covering the first opening portion and fixed at the lower rail, a driving mechanism generating a driving force by which the screw member is rotated relative to the nut member so that the upper rail slides relative to the lower rail and the screw member positioned below the upper wall of the covering member.