US Patent 10053037 Rear impact guard

A rear impact guard includes a bumper support member configured to be coupled to a rear end of a vehicle and a horizontal bumper mounted at a lower end of the bumper support member. The bumper support member includes a generally triangular prism member having a generally triangular-shaped face, a vertical member, a horizontal member, and an angled member, and wherein the vertical, horizontal, and angled members are coupled to outer edges of the triangular-shaped face.