US Patent 10035483 Rear impact guard

A rear impact guard configured to be coupled to a rear end of a trailer includes first, second, third, and fourth support bases coupled to a the rear end of the trailer, first, second, third, and fourth bumper support members associated with the first, second, third, and fourth support bases, respectively, and a bumper mounted to lower ends of the first, second, third, and fourth bumper support members.