Patent ID: 9611897
Date: 2017-04-04
CPC Classifications: F16D,Y10S,Y10T

Claim:
1. A grease-retention assembly for a drive shaft assembly having a tubular shaft connected to a joint with an outer race and internal joint components, the grease-retention assembly comprising the outer race and a cap for grease retention and venting arranged in an inside diameter section of the outer race, the cap including an outer annular rim with an annular indentation having a semi-elliptical or semi-circular cross-section; and the outer race including a radial annular rib extending from the inside diameter section, the rib partially filling the annular indentation of the outer annular rim when the cap is in an axial end position, the rib having an asymmetrical profile with a first axial portion forming a ramp and a second axial portion opposite the first axial portion forming a stop surface, the stop surface forming a larger angle with respect to an axial direction than the ramp.