Patent ID: 7553265

Claim:
A weight plate for use on a dumbbell, comprising: at least one first plate, each of the at least one first plate including a slot extending from a periphery to a central portion of said respective plate to form a planar U-shaped plate; at least two second plates each having a smaller size than the at least one first plate; the at least one first plate and the at least two second plates joined to form a main body having a desired weight value for the weight plate; the slot of the at least one first plate defining in the main body an elongated main body slot extending from a periphery to a central portion of the main body and sized to receive a bar of the dumbbell; the main body including a width orthogonal to a length of the main slot; the at least two second plates positioned on either side of the main slot and extending from a surface of the at least one first plate to form a non-uniform thickness profile along the width of the main body; and the main body at least partially over molded with a coating of plastic material.