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Individual
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Individual
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Priority to ES111382UpriorityCriticalpatent/ES111382Y/en
Publication of ES111382UpublicationCriticalpatent/ES111382U/en
Application grantedgrantedCritical
Publication of ES111382YpublicationCriticalpatent/ES111382Y/en
EXTENSIBLE ANCHORAGE ELEMENT characterized in that it consists essentially of two similar pieces in the form of "U" profiles of trapezoidal wings, one of which is wider than the other in order to contain it and which are made on its sides wider some torn holes by means of which they are articulated with each other when these holes are pierced by flanges that protrude in direct diametrically opposite portions of a threaded bushing which is contained between the two mentioned moving parts; Threading a screw in this cited bushing and therefore the two aforementioned wings can be folded over it from an almost vertical extreme position when overcoming the resistance offered by a spring that is pierced in one of the flanges that double as shafts turn whose spring has its ends supported by the internal face of each of the repeated pieces (Machine-translation by Google Translate, not legally binding)