Patent attributes
A vehicle trailer assembly includes a moveable bracket or frame member mounted to a trailer at a location outboard from one or more rear wheels of the trailer; and at least one undercarriage skirt wall at least partially affixed to the moveable bracket or frame member positioned along a bottom portion of a trailer. The at least one undercarriage skirt wall is selectively positioned laterally around the one or more rear wheels of the trailer, and the at least one undercarriage skirt wall is retractable in at least one direction to expose a portion of an underside of the trailer and/or the one or more rear wheels of the trailer. Another vehicle trailer assembly includes at least one undercarriage skirt wall positioned on a bottom side portion of the trailer. The at least one undercarriage skirt wall may be made of a pliable material.