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Individual
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Priority to ES120995UpriorityCriticalpatent/ES120995Y/en
Publication of ES120995UpublicationCriticalpatent/ES120995U/en
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Publication of ES120995YpublicationCriticalpatent/ES120995Y/en
Nut with an anchoring device composed of an axially perforated bushing and with the corresponding internal screw turns characterized in that in a portion of its body it has externally ribs and transverse grooves arranged around its contour provided the ribs of sharp edges existing practiced in this portion of ribs two cross-shaped cuts that only reach the smooth portion of the bushing dividing such cuts the body with ribs into four arms that internally and in the hole part that concerns them takes such a hole a conical shape so that when threading in the nut a screw mounted on the other piece that is desired to join the conical tip of said screw acts as a wedge of separation between the four arms to which the cuts have given rise so that when flexing slightly the outer ribs are embedded in the wood obtaining an immovable fixation inside the mass of wood in the one that screws the nut. (Machine-translation by Google Translate, not legally binding)
ES120995U1966-04-131966-04-13
NUT WITH ANCHORING DEVICE.
ExpiredES120995Y
(en)