Patent ID: 6932420

Claim:
A truck tailgate aileron system, comprised of: a tailgate, disposed at one end of a truck cargo bed or portable cargo container mountable on a truck, said tailgate having a tailgate opening disposed therein, with contoured upper and lower edges and parallel first and second sides; an aileron having parallel first and second sides and of an overall shape appropriate for engaging the aileron within the tailgate opening, wherein said aileron has upper and lower edges contoured correspondingly to the contoured upper and lower edges, respectively, of the tailgate opening, and has parallel first and second sides, said first and second sides of the aileron are in coaxial pivotal engagement with the corresponding first and second sides of the tailgate opening, wherein the aileron upper and lower edges are capable of superficial communication with the corresponding tailgate opening upper and lower edges, respectively; and positioning means for positioning and securing the aileron in a desired attitude.