Patent ID: 8397602

Claim:
A torsional vibration damper comprising a first hub member attached to a shaft, said first hub member having a first hub having a first central opening, said shaft extending through said first hub at said first central opening, said first hub member further having a first ring member radially spaced from said first hub member; an inertia mass having a second central opening aligned with said first central opening; a first compressible ring and second compressible ring; a plurality of fasteners, each fastener extending through a respective first hole in said first hub member and a respective second hole in said inertia mass, said fasteners compressing said first compressible ring and said second compressible ring against a first side and a second side of said inertia mass and connecting said inertia mass to said first hub member; wherein said inertia mass narrows along said first side which contacts said first compressible ring and said second side which contacts said second compressible ring; and wherein a clearance is provided between said fasteners and said inertia mass permitting said inertia mass to move radially relative to said first hub member.