The use of cardan joints within the Thompson Coupling reduces the wear, heat and friction which is present in Rzeppa type constant velocity joints-cardan joints utilise roller bearings running circumferentially, whereas Rzeppa constant velocity joints use balls which roll and slide axially along grooves.
The use of cardan joints within the Thompson Coupling reduces the wear, heat and friction. These wear, heat and friction is present in Rzeppa type constant velocity joints. Cardan joints utilise roller bearings. These roller bearings are running circumferentially. Rzeppa constant velocity joints use balls and slide axially along grooves. These balls roll.