Patent ID: 7854468
Filing Date: 2010-12-21
Classification: B62D

Abstract:
1. A drag reducing apparatus for a vehicle, comprising: an upper panel section, a lower panel section and opposite side panel sections, each of said panel sections mounted by a hinged connection around a perimeter of the rear of the vehicle, said upper panel section hingedly connected to an upper end of each of said side panel sections and said lower panel section hingedly connected to a lower end of each of said side panel sections; said panel sections having a folded state in which each panel section is substantially flat with said side panel sections overlying said lower panel section and said upper panel section overlying said side panel sections; and the hinged connections between panel sections are configured so that said panel sections automatically move from said folded state to an extended state at an airflow around the rear of the vehicle sufficient to pivot said upper panel section upward from said folded state.