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Priority to ES1977227530UpriorityCriticalpatent/ES227530Y/en
Publication of ES227530UpublicationCriticalpatent/ES227530U/en
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Publication of ES227530YpublicationCriticalpatent/ES227530Y/en
Tool head, perfected, having as its purpose the tool fixation, which have a cylindrical fixing rod provided with a prismatic terminal area in a square, essentially characterized in that the hole for receiving the tool has an internal sector that shapes a prismatic recess, and with an external sector constituted by three clamps permanently requested in tightening position by the corresponding elastic means, so that a double fixation is obtained, in the axial direction and in the direction of drag. (Machine-translation by Google Translate, not legally binding)