Patent ID: 8202036
Filing Date: 2012-06-19
Classification: B60P

Abstract:
1. A method by steps comprising: providing a beam with a first kingpin and a tow tongue respectively attached on a proximal end and a second kingpin attached on a distal end of the beam; linking a single and only axle in vertical support of the beam, wherein the beam adjusts vertically relative to the axle and wherein the beam is unsupported by the single and only axle during at least one operating mode of the beam; translating at least one ramp from a loaded position to a loading position, the loading position being laterally adjacent the tow tongue to allow vehicular access to a top portion of the beam; attaching a guide post to the axle; securing a vertical slide member to the beam, the vertical slide member in sliding contact with the guide post; interposing a vertical position control apparatus between the vertical slide member and the axle, the vertical position control apparatus controlling the vertical position of the beam relative to the axle; and attaching a wheel to the single and only axle, wherein the beam is supported by the wheel during at least one alternate operating mode of the beam.