| 摘要 |
This patent describes a platform structure which can be used either as a sta nd- alone unit, or as part of the body of a wheeled vehicle such as a trailer. A s part of the body of a trailer its multipurpose feature allows the trailer to be easily converted into different modes of usage including: an extended platform, a flat- bed trailer with side walls, an open-top utility box trailer, or a compact highway trailer. The highway trailer, with a compactly collapsed body equipped with a cargo-rack, is intended to offer the best possible towing performance at highway speed. The cargo-rack has a screen enclosure for the containment of small or loose cargo items. When used as a stationary platform, said structure has a center portion with adjustable leg assemblies that can support and level the entire structure above the ground. Side sections are cantilevered on opposit e sides of the center portion to form extensions to the main platform area. Fastening means for the erection of a camping tent on said platform are al so disclosed. The side sections can also be firmly erected in an upright positi on to form side walls of an open ended utility trailer Here the end sections can b e easily attached to convert the latter into an open-top utility box trailer.< /SDOAB>
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