AGRICULTURAL BRIDGE Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: spans between wheels of the agrobridge have twin mounted supports 2 and 3 spaced apart from the girder in the plane of its cross section and provided with extendable thrust hubs 4. Each support is provided with hydraulic cylinder 5 with its rod hinged to a middle point of the thrust hub. The latter is a skid with casing 7 filled with, for instance, foam polystyrene. EFFECT: longer spans; higher load-carrying capacity. 4 cl, 4 dwg