Patent ID: 7530644

Claim:
A one-piece wheel configured to be mounted on a vehicle, the wheel comprising: a wheel barrel with a radially inward surface and a radially outward surface; a wheel center with spokes formed as a unitary piece with the wheel barrel, the center meeting the barrel at a juncture, and the spokes having an outboard side and an inboard side; a register formed on the wheel center and extending substantially radially inwardly from the wheel barrel, the register having an outboard side and an inboard side; a substantially circumferential groove machined into the radially inward surface of the wheel barrel; a plurality of holes extending through the register or spokes near the juncture, the holes extending from the outboard side to the inboard side of the spokes or register; and a plurality of plugs extending through the holes, the plugs comprising an outboard end and an inboard end and the plugs not being needed to secure the wheel center to the wheel barrel; and a plurality of nuts secured to inboard ends of the plugs, the nuts being positioned at least partially within the groove.