Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CKD Praha DIZ AS
CKD Praha Oborovy Podnik
Original Assignee
CKD Praha DIZ AS
CKD Praha Oborovy Podnik
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Filing date
Publication date
Application filed by CKD Praha DIZ AS, CKD Praha Oborovy PodnikfiledCriticalCKD Praha DIZ AS
Publication of ES332942A1publicationCriticalpatent/ES332942A1/en
A device for raising the boom or arm of cranes constituted by two main parts, namely a frame and a boom, and in which the boom is supported in a pivotable manner in the frame and is elevated by a cable arranged between the frame and the head of the boom, especially in sliding cranes, using at the same time a combined hoist and a hydraulic cylinder with piston rod, characterized in that the cable, whose two ends are anchored in one of the main parts of the crane, is driven above at least one pulley fixed to at least a main part of the crane, and by at least one combined hoist, whose fixed part is attached to one of the main parts of the crane, while its moving part is subject to the piston rod of the hydraulic cylinder, which is also fixed to one of the main parts of the crane. (Machine-translation by Google Translate, not legally binding)
ES0332942A1965-11-021966-10-30A device to raise the boom or crane arm. (Machine-translation by Google Translate, not legally binding)
ExpiredES332942A1
(en)