| 摘要 |
<p>1. A self-locking nut, characterized in that it comprises, at its periphery, a number of longitudinal channels (3) with semi-circular section intended to cooperate with drive balls (6) carried by an appropriate tightening tool, said balls (6) causing, at the end of tightening, the formation of a circular groove (10) by forcing back the metal situated between the channels (3), which results in a radial deformation of the inner threads of the nut (1) at the level of said groove (10).</p> |
