Patent ID: 8715093

Claim:
A driveshaft assembly comprising: (a) a tubular shaft comprising: (i) at least a first receiving end portion with an opening disposed therein, wherein the receiving end portion has a receiving end portion inner diameter, (ii) a center portion, wherein the center portion has a center portion inner diameter, and (iii) a hollow interior with a shaft inner surface, (b) a driveshaft end component comprising an insert end portion and an attachment end portion; and (c) an annular anti-fretting spacer composed of a UV-cured urethane comprising: (i) a first outer diameter, wherein the first outer diameter of the spacer is substantially equal to the receiving end portion inner diameter, (ii) a second outer diameter, and (iii) an outer surface, wherein at least a portion of the outer surface is in contact with the shaft inner surface, wherein the spacer is disposed on the insert end portion of the driveshaft end component, wherein the insert end portion of the driveshaft end component, including the spacer, is disposed within the receiving end portion of the shaft, and wherein the shaft is rigidly coupled to the driveshaft end component.