Device of government on cranes pluma, perfected (Machine-translation by Google Translate, not legally binding)

摘要

Governor device on boom cranes, perfected, characterized in that it comprises a single control lever with three positions which establishes, in an extreme position, the load-lifting drive, in the other extreme position the braking with clutch capacity for starting in vacuum with the engine running and a third position, intermediate, for driving the descent. (Machine-translation by Google Translate, not legally binding)