| 摘要 |
The invention relates to a load transport device. It comprises a lifting assembly 1 in the form of a bridge comprising an upper crossbeam 5 and two lateral uprights 6, each of these uprights comprising, at its lower part, front rolling members 2 which cannot be steered but are driven individually at a variable speed, a rear rolling member 3 mounted so as to idle both in direction and about its rolling axle, and arranged laterally substantially in the vertical plane of one of the front of the front rolling members, and a linking structure 4 between the lifting assembly and the rear rolling member. <IMAGE>
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