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The crane with a rocker approximated balance which is quite guidance of the load, by means of coupling rod connected to the projecting arm in the same direction and with the latter rotating multi-armed rocker, on which the counterweight fastened rigidly and in addition, a deflection roller for the hoist rope is rigidly mounted
The crane with a rocker approximated balance which is quite guidance of the load, by means of coupling rod connected to the projecting arm in the same direction and with the latter rotating multi-armed rocker, on which the counterweight fastened rigidly and in addition, a deflection roller for the hoist rope is rigidly mounted