Patent ID: 7381157

Claim:
An exercise device comprising: a first annular enclosure portion defining a first curved inner surface; a second annular enclosure portion removably engaged with the first enclosure portion, the second enclosure portion defining a second curved inner surface; a first stem at least partially extending within the first enclosure portion; at least one annular weight defining an outer surface and comprising a central opening through which the first stem extends; a second stem at least partially extending within the second enclosure portion, the second stem threadably engaging the first stem to thereby enclose the at least one annular weight in an enclosure formed by at least the first and second enclosure portions; a nut disposed within the enclosure and threadably engaged with the first stem to lock the at least one annular weight in place; a base removably engaged with the first enclosure portion, wherein the first stem extends from the base; a plate removably engaged with the second enclosure portion, the plate defining inner and outer surfaces, wherein the second stem extends from the inner surface of the plate; and a handle extending from the outer surface of the plate; wherein the enclosure is formed by at least the plate, the base and the first and second enclosure portions.