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Priority to ES1971197043UpriorityCriticalpatent/ES197043Y/en
Publication of ES197043UpublicationCriticalpatent/ES197043U/en
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Publication of ES197043YpublicationCriticalpatent/ES197043Y/en
Control device in the orientation movement of tower cranes, characterized by being constituted by two solid rotor motors so that when one of them is not able to overcome the sum of resistant pairs of the arrow of the crane plus the wind, we make to intervene a second motor so that the sum of its pairs overcomes us the total resistant torque. (Machine-translation by Google Translate, not legally binding)
ES1971197043U1971-05-081971-05-08
COMMAND DEVICE IN THE ORIENTATION MOVEMENT OF TOWER CRANES.
ExpiredES197043Y
(en)
EMULSIONING AND DISPERGING DEVICE WITH SEVERAL RELATIVELY ROTARY CONCENTRIC, RIDINGLY EXCHANGEING TO A STATOR AND A RELATIVE STATOR TOWN ROTARY ROTARY TOOLS.