Patent ID: 6986713

Claim:
A propeller shaft assembly comprising: a tubular member, a connecting member fixed to each end of the tubular member, a support member fixed within the tubular member, the support member comprising a plurality of radial elements extending a first length (L 1 ) within the tubular member and engaging an interior surface of the tubular member to increase the bending frequency of the propeller shaft assembly, wherein said support member comprises a central hub coaxially located within said tubular member and wherein said plurality of radial elements extend from said central hub to said interior surface of said tubular member, wherein said support member has the first length (L 1 ) and said tubular member has a second length (L 2 ) and the ratio of L 1 /L 2 is less than 1.0, and wherein each radial element includes an enlarged end portion having a groove formed therein for receiving an adhesive.