Patent ID: 8464622
Filing Date: 2013-06-18
Classification: B23D,Y10T

Abstract:
1. A circular saw blade with changeable blade strips, adapted for an electric saw device, comprising: a circular frame with a circumference edge, for mounting on the electric saw device to be driven to rotate, the frame, further comprising: at least two arc-shaped blade strips, each having an outer rim and an inner rim, wherein a plurality of sawteeth is formed on the outer rim of each of said at least two arc-shaped blade strips, at least one bump and a protruding piece with a plurality of holes are formed on the inner rim of each of said at least two arc-shaped blade strips, and each bump is mating to one of the said plurality of recesses on the frame, and the protruding piece is insetting into the groove of the frame, and a plurality of bolts; wherein the at least two arc-shape blade strips are fixed to the frame by screwing the plurality of bolts through the holes and then into the screw holes on the frame.