| 摘要 |
Retractable suspension device according to the French Patent No. 1,470,226, for rear wheels of a vehicle with a loading platform 6, such as a road trailer or semitrailer, or lorry. Transverse jacks 20 make it possible to move the rear wheels 1, 2, 3... away after they have either been raised or lightened by totally extending the rods of the longitudinal jacks 17 which in this case are dual-action jacks. <IMAGE>
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