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Priority to ES1980251807UpriorityCriticalpatent/ES251807Y/en
Publication of ES251807UpublicationCriticalpatent/ES251807U/en
Application grantedgrantedCritical
Publication of ES251807YpublicationCriticalpatent/ES251807Y/en
Self-controlled actuation screw, characterized in that the head of the screw has at least one intermediate annular throttle which defines on the head a succession of actuating heads, determining a multiple head and whose throttles have a cross section, whose minimum diameter is related to respective predetermined forces to be applied to the screw according to a purpose, so that by actuating with a tool one of the actuating heads the piece is broken by the adjacent and internal thrust to said actuator head to the support the corresponding value of the force, thereby the screw remains in the tightening position and comprises at least the inner head to said throttling and adjoining the conventional threaded rod for its subsequent unscrewing. (Machine-translation by Google Translate, not legally binding)
Improvements in the devices to regulate the angular position of the double cams of driving of the brake clamps (Machine-translation by Google Translate, not legally binding)