US Patent 7127979 Saw blade for hand-held tools

A saw blade for power tools, in particular for power reciprocating saws, includes a blade back (11) and a toothing (12) extending along the lower edge of the blade back and having many saw teeth (13) lined up in succession, In order to increase the blade life and service life of the saw blade, especially in a Thick, stable embodiment, the saw teeth (13) in successive portions (a, b) of the toothing (12) have the same tooth width (az, bz), which, however, differs from that of the saw teeth (13) in the preceding or the succeeding portion (b, a) of the toothing (12).