Patent ID: 7658587

Claim:
A trailer, comprising: a main frame having rearward and forward ends; said main frame including at least first and second longitudinally extending side frame members; longitudinally extending first and second running gear beams having rearward and forward ends and upper and lower ends, secured to said main frame in a fixed non-movable manner; each of said first and second running gear beams having rearwardly extending portions which extend rearwardly from said rearward end of said main frame; a front axle, having first and second ends; wheels secured to said first and second ends of said front axle; a front suspension assembly securing said front axle to said first and second running gear beams forwardly of the rearward end of said main frame in a single permanent longitudinally fixed position relative to one another; a rear axle, having first and second ends; wheels secured to said first and second ends of said rear axle; a rear suspension assembly securing said rear axle to said first and second running gear beams rearwardly of said rearward end of said main frame in a single permanent longitudinally fixed position relative to one another; a main deck mounted on said main frame and having rearward and forward ends; an upper deck frame, having rearward and forward ends, positioned forwardly of said main frame; an upper deck, having rearward and forward ends, on said upper deck frame; a deck ramp, having rearward and forward ends, pivotally interconnecting said forward end of said main frame and the rearward end of said upper deck frame; said main deck being pivotally movable between loading/unloading and transport positions with respect to said upper deck; said rearward end of said main deck being positioned forwardly of the centerline of said rear axle; a hydraulically operated tail assembly, having rearward and forward ends; said forward end of said tail assembly being pivotally secured to said main frame at the rearward end thereof; the pivotal connection of said forward end of said tail assembly to said rearward end of said main frame being positioned forwardly of the centerline of said rear axle; said upper ends of said rearwardly extending portions of said first and second running gear beams extending downwardly and rearwardly from said main frame so that the upper rearward ends of said first and second running gear beams are located in a plane below the upper forward ends of said rearwardly extending portions; a first hydraulic cylinder, having upper and lower ends, pivotally secured at its lower end to the lower rearward end of said first running gear beam and which is pivotally secured at its upper end to said tail assembly; a second hydraulic cylinder, having upper and lower ends, pivotally secured to the lower rearward end of said second running gear beam and which is pivotally secured at its upper end to said tail assembly.