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Priority to ES1983274969UpriorityCriticalpatent/ES274969Y/en
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Publication of ES274969YpublicationCriticalpatent/ES274969Y/en
Articulated drag, essentially characterized by being constituted by a plurality of independent modules, each carrying a corresponding spike or grid, modules that are interconnected in an articulated manner, establishing a kind of robust and heavy mesh of generally rectangular outline, which is joined by its front edge and also articulated to a previous bar and, in an identical manner to a rear bar, bars that are in turn connected to a support frame, upper, through a set of short chains that allow a total and free mobility, within certain limits, of the aforementioned "mesh" with respect to the support frame. (Machine-translation by Google Translate, not legally binding)
Bridge capable of being arranged on another of little strength and creating a step of high resistance (Machine-translation by Google Translate, not legally binding)