BRIDGE UNIT Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: bridge unit has additional support girder secured with displacement on one of sides of support trucks. Movable platform of multiple-span bridge is suspended from wheels symmetrically relative to central power girder. Fitted on edge of platform are rollers moving with rest on additional girder. The latter is made tubular and is supported by guys secured on supports installed on support trucks. If strength of girder is sufficient, all tools required for planned work can be suspended from girder. Resting on additional girder guarantees stability of movement of tools relative to soil at required height. EFFECT: enlarged operating capabilities. 3 cl, 5 dwg