US Patent 7559333 Vehicle wash apparatus

A vehicle wash apparatus including a carriage assembly is supported above a vehicle. A pair of opposed shuttle assemblies are operatively supported by the carriage assembly and moveable generally transverse to the carriage assembly. A pair of spray manifold assemblies are operatively supported by one of the opposed shuttle assemblies, and each of the spray manifold assemblies includes a vertical manifold. Each of the pair of spray manifold assemblies are moveable rectilinearly with the carriage assembly, transversely with the shuttle assemblies, and pivotally about the vertical manifold to allow the pair of spray manifold assemblies to move toward and away from one another and to circumscribe the vehicle.