Abstract: A trailer has parallel rearward rails and a pair of angled forward rails and a pair of angled intermediate rails. A pair of similarly configured hinge assemblies couple the forward rails and the intermediate rails. Each hinge assembly includes upwardly extending wings on each intermediate rail with a bolt there between and with a hall positioned on the bolt between the wings. The hinge has a cylinder with a cylindrical opening secured to each forward rail. Each hinge assembly has a connecting element with an annular collar pivotably received on the ball of the adjacent rearward rail. A pin extends into the cylindrical opening whereby the forward rails may pivot with respect to the intermediate rails of the forward section.