Patent ID: 7128330

Claim:
A trailer for a transportable container, comprising: a frame having a centrally positioned frame member extending from a first end to a second end of the frame; a hitch at the first end of the frame; a wheel assembly at the second end of the frame having at least one wheel, said wheel assembly capable of pivotal movement between a surface engaging position a non-surface engaging position above the frame; apparatus on the frame for removably securing a transportable container on the frame; and a jack for raising or lowering the trailer, said jack comprising a carriage slidingly mounted on the centrally positioned frame member, a wheel assembly pivotably attached to the carriage and a hydraulic cylinder interposed between the wheel assembly and the carriage, wherein actuation of the hydraulic cylinder lowers the wheel assembly so as to raise the trailer, the jack being movable back and forth on said centrally positioned frame member between the first end of the frame and the second end of the frame.