| 摘要 |
A material transport system having a material container for receiving material to be transported, motive members connected to the material container for allowing the material container to move from one place to another, and an unloader device positioned within the material container for unloading material therefrom. The material container has a generally flat floor extending between a pair of sidewalls. The unloader includes a tractor extending between the sidewalls of the material container and a shovel articulated to the tractor. The shovel has a size suitable for fitting between the sidewalls of the material container. The material container comprises a plurality of railroad cars having a generally flat roadway extending throughout the plurality of railroad cars. Each of the railroad cars is articulated to an adjacent car. The floor comprises a series of floor segments overlapping each other in the same direction. The sidewalls include an overlapping portion held in torsional engagement against an adjacent sidewall. The motive members include railroad trucks attached at the articulated connection of adjacent pairs of railroad cars. A plurality of slots are formed transversely in the floor for engaging the grousers of the tractor.
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