Importance

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Abstract

A trailer for selectively transporting either a first or second substance is disclosed. The trailer includes a substantially flat bed and has two containers disposed thereon, each of which is capable of storing a different type of substance. An operator may choose to transport materials in either one of the two containers. Accordingly, the container to transport the substance is shifted toward a balanced load distribution point along the trailer while the empty container is moved to one end of the trailer. In the preferred embodiment, the two containers are coupled together so that the movement of one container along the trailer automatically causes a corresponding movement in the other. One container moves along the trailer by virtue of a plurality of wheels while the other slides along rails separated by a bearing. Movement of the containers is preferably accomplished by virtue of a hydraulic-powered winch which advances a chain in order to correspondingly advance a carrier plate longitudinally along the trailer. A tilting mechanism is also included within the trailer for purposes of tilting one of the containers so that any substance stored therein may be exhausted or dumped out of a multi-hinged tailgate. The multi-hinged tailgate of one of the containers permits access to the substance stored therein, either by dumping the substance or by side opening of the tailgate for immediate access to the substance stored within the container.

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First Claim