Patent ID: 7704197

Claim:
A dumbbell weight selection structure comprising a portable handle unit comprising an extension rod extending from two opposite ends thereof, a selection unit comprising a selection mechanism respectively fixed on the extension rods, and a plurality of weight plates, wherein the selection mechanism comprises a movable selection plate set; and each weight plate comprises an opening and a locking opening, and wherein the opening and the locking opening comprise a common receiving opening to receive the extension rod and the selection mechanism, and when the selection plate set of the selection mechanism is moved and inserted into the locking opening, the weight plates are locked onto the selection mechanism and the handle unit, and when the selection plate set is released from the locking opening, the weight plates are released from the selection mechanism and the handle unit, wherein the selection plate set is comprised of multiple selection plates, wherein each selection plate of the selection plate set is pivotally attached to the selection plate set.