Patent ID: 6705948
Filing Date: 2004-03-16
Classification: F16C,Y10S

Abstract:
An axial plunging unit for transmitting torque within a driveline, comprising:a profiled sleeve (11) with circumferentially distributed, longitudinally extending first ball grooves (12), a profiled journal (13) with circumferentially distributed, longitudinally extending second ball grooves (14), balls (15) which are arranged in pairs of the first and second ball grooves (12, 14) in k groups of balls, wherein the number of first ball grooves (12) corresponds to at least m times the number k of the groups of balls, wherein longitudinal axes of the first through mth first ball grooves (12), as referenced circumferentially, are positioned on different outer pitch circle diameters (PCDa), and wherein (mâˆ’1)k first ball grooves are free of balls, and all groups of balls are held in a cage (16) in a fixed position with respect to one another.