Patent ID: 7163258

Claim:
A skirt for a motor vehicle chassis having frame rails supported from front and rear wheels, the skirt further comprising: a skirt panel having an inside surface and an aerodynamic outside surface; a skirt panel mounting frame mounted outwardly with respect to a frame rail of the motor vehicle chassis with the skirt panel being supported by the skirt panel mounting frame to an outward side and spaced at least partially outwardly away from the frame rail to allow enclosure of vehicle components hung from the frame rail; a track supported on the skirt panel mounting frame; and bearing means depending from the skirt panel and set in the track to support sliding motion of the panel skirt back and forth parallel to the side of the motor vehicle chassis between the front and rear wheels to expose a section of the motor vehicle chassis and to orient the aerodynamic outside surface of the panel skirt away from the motor vehicle chassis.