Patent ID: 8262491

Claim:
A driveshaft assembly for a vehicle comprising: a tube having a first end and a second end; a first member configured to transmit torque, wherein a portion of the first member is provided within the first end of the tube and the portion of the first member is coupled to an inner surface of the tube; and a second member configured to transmit torque, wherein a portion of the second member is provided within the second end of the tube and the portion of the second member is coupled to an inner surface of the tube; wherein the portion of the first member and the portion of the second member each have a variation of less than 0.20 mm relative to the inner surfaces of the tube; wherein the first member and the second member are configured to have axes of rotation that are collinear with an axis of rotation of the tube such that when the first member and second member are coupled to the tube, no further alignment between the tube, the first member, and the second member is required.