Light articulation ball-joint and method of manufacture of such a ball joint
AssigneeSKF Aerospace France S.A.S
InventorBenjamin Julliere
Life of this patent
Estimating the term…
Abstract
The light articulation ball-joint comprises a metal inner ring and a metal outer ring, provided respectively with a spherical outer surface and a spherical inner surface. The ball-joint also comprises a first contact layer, applied to the spherical surface of one of the rings, and a second contact layer, applied to the spherical surface of the other ring. According to the invention, the first contact layer has a hardness which is less than the hardness of the second contact layer and a thickness which is greater than the thickness of the second contact layer, the first contact layer further being adapted to release particles of solid lubricant by friction with the second contact layer.
Claims8
A light articulation ball-joint (1), comprising:
- a metal inner ring (3) and a metal outer ring (7), provided respectively with a spherical outer surface (3B) and a spherical inner surface (7B), the ball-joint further comprising a first contact layer (4) applied to the spherical surface of one of the rings and a second contact layer (8) applied to the spherical surface of the other ring, wherein the first contact layer (4) has a hardness which is less than the hardness of the second contact layer (8) and a thickness which is greater than the thickness of the second contact layer (8), the first contact layer (4) being adapted to release particles (42) of solid lubricant by friction with the second contact layer (8).
Dependencies are inferred from the claim text.