Raising and lowering mechanism for trailers and semi-trailers that, applicable, either for RM trailer (1) or for SM semi-trailer (1'), can be coupled to a traction vehicle (2) by means of a hitch (3), comprising, at the less, a folding wheel axle (4), which can be moved between a raised position and a lowered position; a sliding frame (5), in which the hitch (3) is incorporated to connect the RM or SM (1, 1') with the traction vehicle (2); - Raising and lowering means (6), installed in the front part (1a) of the RM or SM (1, 1') associated with the sliding frame (5) and said front part (1a) and determining a raised position and a lowered position of said front part (1a) of the RM or SM (1, 1') with respect to the hook (3); and an electro-hydraulic micron-central (7) that controls and executes simultaneously the lifting and lowering movements of the folding axle (4) and the lifting means and the lowering (6) of the front part (1a) of the RM or SM (1, 1'). (Machine-translation by Google Translate, not legally binding)
MECANISMO DE ELEVACION Y DESCENSO PARA REMOLQUES Y SEMIRREMOLQUES
2022-07-07
Patent
Electronic Resource
Spanish
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