Patent ID: 8544373

Claim:
A saw blade, comprising: a saw blade body having a first face, a second face opposing the first face, and an axis of rotation extending between the first face and the second face; a cutting element disposed about an outer periphery of the saw blade body; and a spline arbor interface portion disposed about an inner periphery of the saw blade body and having a peripheral face defining an eye disposed substantially collinearly with the axis of rotation of the saw blade body, the saw blade body defining a relief portion extending along at least a portion of an edge between the peripheral face of the spline arbor interface portion and at least one of the first face and the second face, wherein the spline arbor interface portion comprises a set of major diameter interface elements and a set of minor diameter interface elements, the relief portion extending along at least a portion of an edge between at least one major diameter interface element of the set of major diameter interface elements and at least one of the first face and the second face; wherein at least one major diameter interface element defines a curved lobe shape relative to adjacent minor diameter interface elements.