Patent ID: 11878583
Assignee: VOLVO TRUCK CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 22:
23. A drive shaft sub assembly for an axle system according to claim 1, the drive shaft having one end configured to be connected to a vehicle wheel and one end connected to a differential unit of the axle system, the drive shaft including at least one joint connecting two portions of the drive shaft to transmit rotary motion between said portions, the joint having a radial dimension, characterized in that the drive shaft sub assembly comprises: —a first bearing having an inner ring secured around the drive shaft, the outer diameter of the first bearing being smaller than the radial dimension of the joint; —a tightening member, configured as a nut, having a tightening portion which is configured for abutting against the outer ring of the first bearing and a manoeuvring portion which is radially outwardly offset from the joint, when looking axially towards the differential unit; —and a contact piece secured around the drive shaft, having a blocking portion which is configured for abutting against the inner ring of the first bearing, and a contact portion for an annular seal, said contact portion being cylindrical, radially inwardly offset relative to the tightening member manoeuvring portion, and having a diameter larger than the radial dimension of the joint.