Patent ID: 7828702

Claim:
A weight plate for mounting on a barbell or dumbbell bar, comprising: a weight plate body having an outer periphery, a first side, a second side, and a first axial thickness, the first and second sides being flat; a central bore extending axially through a center of the body; a raised flange member forming a portion of the outer periphery on the first side and extending a distance from the first side of the body, the raised flange having a first inner face facing the center, the first inner face having a first inner radius about the center; and at least one opening extending through the body and through at least a portion of the outer periphery, wherein the raised flange member has at least one handle portion positioned across the at least one opening, wherein the first inner radius of the first inner face is defined continuously about the center except for the at least one handle portion, wherein the at least one handle portion has a second axial thickness that is less than a sum of the distance of the raised flange and the first axial thickness of the weight plate body, and wherein the at least one handle portion has a second inner face facing the center, the second inner face having a second inner radius defined continuously about the center and concentric to the first inner radius, the second inner radius being less than the first radius of the raised flange member, the at least one handle portion and the at least one opening forming at least one grippable handle on the weight plate.