US Patent 9126505 Seat slide apparatus

A seat slide apparatus includes a support rail adapted to be attached to one of a seat and a seat attachment surface, a movable rail configured to be slidable relative to the support rail, a roller arranged between the support rail and the movable rail and guiding the movable rail to move relative to the support rail, and a vibration restricting member arranged between the support rail and the movable rail to restrict a vibration between the support rail and the movable rail, the vibration restricting member including a sliding contact point receiving a sliding load in a vertical direction of the movable rail, the sliding contact point being arranged to overlap the roller in a sliding direction of the movable rail.