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Tenias Longas jesus
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Tenias Longas jesus
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Priority to ES1971195733UpriorityCriticalpatent/ES195733Y/en
Publication of ES195733UpublicationCriticalpatent/ES195733U/en
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Publication of ES195733YpublicationCriticalpatent/ES195733Y/en
Hydraulic backhoe, of the type comprising a frame mounted on at least two wheels on which is arranged so that it can rotate in both directions 360º a turret that has on one side a counterweight opposite to an arrow and on the other a box of controls and a seat for the operator responsible for operating the machine, characterized in that the boom has a first lever that is operated by a hydraulic cylinder, which acts as a lever of third gender, serving its free end point of support a first-class lever, actuated by a bowler acting between the first lever and the free end of the shorter arm of the second, arranging at the other end of said second lever of the suitable tool according to the work that must be performed by actuating said useful, at least, by means of a hydraulic cylinder. (Machine-translation by Google Translate, not legally binding)
Hydraulic control device for a plurality of working cylinders connected in paralled, particularly cylinders for tightening the tools at machines for casting under pressure