US 12,066,049 B2
Locking nut and associated fastener
Julien Goyer, Saint Gratien (FR); and Batoubié Sotou-Bere, Pontoise (FR)
Assigned to LISI AEROSPACE, Paris (FR)
Filed by LISI AEROSPACE, Paris (FR)
Filed on Nov. 5, 2021, as Appl. No. 17/520,605.
Claims priority of application No. 2011880 (FR), filed on Nov. 19, 2020.
Prior Publication US 2022/0154759 A1, May 19, 2022
Int. Cl. F16B 39/30 (2006.01)
CPC F16B 39/30 (2013.01) 9 Claims
OG exemplary drawing
 
1. A locking nut, comprising a body and a bore passing through said body along a main axis, the body comprising: a bearing face substantially perpendicular to the main axis; a drive surface; and at least one through-hole extending substantially perpendicular to the main axis from the drive surface;
said nut being characterized in that:
the body further comprises a locking collar of elliptical shape, extending along the main axis away from the bearing surface relative to the drive surface; and
the drive surface comprises an upper region and a lower region, adjacent along the main axis, the lower region being situated between the upper region and the bearing surface; a perimeter of the lower region in a plane perpendicular to the main axis being larger than a perimeter of the upper region in a plane perpendicular to the main axis;
the at least one through-hole extending through a portion of the upper region.