Tripod joint used in the power transmission for vehicles or industrial machines has an exterior sleeve with three axial grooves with rollers guided along one wall, the physical characteristics of the roller being precisely defined

摘要

Tripod joint (20) has an exterior sleeve (10) with three axial grooves (12) with rollers (30) guided along one wall. The roller has a circular contact with the guiding walls and the contact ratio is between 1,02 and 1,2. In addition the ratio between the roller's width and its exterior diameter is comprised between 0,24 and 0,27.