| 摘要 |
The subject of the invention relates to a functional rolling device which can be fitted to any lightweight transport vehicles for all non-supporting terrains. It is composed of an inflatable cylindrical tubular element 1 comprising, in its longitudinal axis, a perforation 5 intended to receive a load-bearing shaft 7 preferably ridged in its median portion to avoid sliding. It is particularly designed for carriages for transporting lightweight objects over beaches or sand, or unstable terrains. <IMAGE>
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