US Patent 11752961 Trailer with rear impact guard

A trailer has a rear floor assembly having a threshold plate and at least a pair of supports extending downwardly from the threshold plate, a rear lower cross member secured to the rear floor assembly, and a rear impact guard assembly having at least a pair of supports and a horizontal member secured to lower ends of the supports, upper ends of respective ones of the supports of the guard assembly secured to lower ends of respective ones of the supports of the rear floor assembly.