Air deflector for use in combination with a vehicle pulling a trailer

Claim 1

An air deflector used in combination with a vehicle pulling a trailer, said vehicle including a roof, said trailer including a front wall located behind and extending above said vehicle roof, said deflector comprising first and second blade members each having leading and trailing edges and front and rear faces extending between said edges, said blade members being joined at their leading edges and extending divergently from said leading edges toward their trailing edges in a V-shaped configuration, said trailing edges being contained in substantially parallel longitudinally extending planes, each blade member having a concave front face with the joined leading edges of the members having a concave configuration, each blade member including upper and lower edges with the concavity thereof extending between said upper and lower edges and with the blade member being of substantially uniform concave cross section from its upper edge to its lower edge along its longitudinal dimension extending between its leading and trailing edges, said joined leading edges terminating at said upper and lower edges in upper and lower spaced points, frame means mounting said blade members to said vehicle roof in front of said trailer front wall with the lower edges of the blade members being spaced from said roof and with the joined leading edges of the blade members projecting toward the front of said vehicle, said lower spaced point being located forwardly of said upper spaced point of the blade members.