Patent ID: 8075411
Filing Date: 2011-12-13
Classification: F16D,Y10S

Abstract:
1. A constant velocity universal ball joint in the form of a fixed joint comprising: an outer joint part with outer ball tracks which are axially undercut-free; an inner joint part with inner ball tracks which are axially undercut-free; torque transmitting balls which are guided in pairs of tracks each formed of an outer and an inner ball track and whose ball centers are positioned on a pitch circle diameter (PCD) around a joint center (M) and which comprise a ball diameter (D); and a ball cage with circumferentially distributed cage windows in which said torque transmitting balls are received and held in a common central plane (E), wherein a ratio between said pitch circle diameter (PCD) and said ball diameter (D) ranges between 2.96 and 3.08 (2.96<PCD/D<3.08).