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.)
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Talleres Valman SA
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Talleres Valman SA
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Publication date
Application filed by Talleres Valman SAfiledCriticalTalleres Valman SA
Priority to ES1975215905UpriorityCriticalpatent/ES215905Y/en
Publication of ES215905UpublicationCriticalpatent/ES215905U/en
Application grantedgrantedCritical
Publication of ES215905YpublicationCriticalpatent/ES215905Y/en
Improved articulated hydraulic crane, of the type of which are integrated by a frame or chassis from which emerges a column or mast capable of turning on a vertical axis, a forearm attached by its end to the column susceptible to refolding in a vertical plane and a prolongable arm joined to the forearm through an intermediate piece equally susceptible to refolding in a vertical plane, recesses that are possible thanks to the action of two hydraulic cylinders, conveniently anchored between the movable elements, characterized in that the turning drive of the mast or column is performed by acting on a lower extension of said mast, of a pair of parallel cylinders located below the chassis of the crane and occupying the space between the fixing parts, attacking said extension by means of a set of zips and pinion crown so that the length of the first forearm is greater the cylinders are not interposed because they are located below the frame or chassis of the machine, when the folding of the same takes place. (Machine-translation by Google Translate, not legally binding)
Frame for trailer tent that opens automatically - has pairs of telescopic poles with interior springs, and apex angle set by cross brace and external spring