Convertible hopper vehicle

Claim 1

A carrier unit adapted to be converted into a bulk material carrier comprising a container having a floor, said floor having at least one floor section movable to a selected position providing a surface inclined toward an opening in said floor formed by the removal and positioning of said floor section into said selected position, at least one substantially vertically disposed wall unit disposed within said container, movable longitudinally between a storage position and an operative position adjacent said floor section to cooperate with said floor section in said selected position and portions of the interior walls of said container to define a compartment, and a flexible liner for holding bulk material, mountable in said compartment, said flexible liner having an inlet for charging bulk material thereinto and at least one outlet cooperable with said floor opening for communicating the interior of said flexible liner with the exterior of said container whereby when said wall unit is secured in its storage position and said floor section remains as a floor component, said container may be utilized to transport general cargo and when said floor section is disposed in said selected position, said wall unit is disposed in its operative position adjacent said floor section, and said flexible liner is mounted within said compartment, said container may be utilized to transport bulk material within said flexible liner disposed within said compartment.