Patent ID: 7661347

Claim:
A saw blade provided with numerous cutting teeth for cutting a workpiece at appropriate pitches, the saw blade comprising: left and right set teeth, which are set in a lateral direction, as viewed in a cutting direction of the cutting teeth; wherein each of the left and right set teeth is a dovetail shaped set tooth having a tooth tip which is gradually enlarged in the lateral direction in addition to being set, each of the left teeth having a left side surface at the dovetail shaped portion and each of the right teeth having a right side surface at the dovetail shaped portion, so that each inclination angle of the left side surface and the right side surface is increased as a result of both the dovetail shape and set of the tooth tip; and a straight tooth, which is not set in the lateral direction, as viewed in the cutting direction of the cutting teeth, wherein the straight tooth including a dovetail shaped straight tooth having a tooth tip which is gradually enlarged in the lateral direction, and wherein an upper surface of each tooth, including the tooth tip, defines a planar inclined surface.