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Construcciones Y Tecnicas De Maquinaria sa
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Construcciones Y Tecnicas De Maquinaria sa
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Application filed by Construcciones Y Tecnicas De Maquinaria safiledCriticalConstrucciones Y Tecnicas De Maquinaria sa
Priority to ES1985291169UpriorityCriticalpatent/ES291169Y/en
Publication of ES291169UpublicationCriticalpatent/ES291169U/en
Application grantedgrantedCritical
Publication of ES291169YpublicationCriticalpatent/ES291169Y/en
Improved telescopic boom crane, of the type coupled to the chassis of a vehicle and from whose frame emerges a pivoting column with a pivoting column with a swing arm at its end, said swing arm being positioned by means of a hydraulic cylinder, characterized essentially because the first section of the boom is sliding along a tubular body that is articulated at the end of the swinging arm of the crane, said tubular body being positioned by means of a hydraulic cylinder disposed between an intermediate point of the swing arm and some emergent brackets of the same tubular body which incorporates a support in which the anterior part of the body of a telescopic hydraulic cylinder is fixed, whose first and second sections are respectively linked to the first and second section of the boom. (Machine-translation by Google Translate, not legally binding)