Noise-suppressed circular saw blade
AssigneeAB Stridsberg & Blorck
InventorHans Ludvig Nedsten
Life of this patent
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Abstract
A circular saw blade provided with a circumferential zone which extends radially inside the saw blade teeth and has a reduced thickness relative to the saw blade, whereby the noise generated at high operational speeds is considerably diminished.
Claims4
An improved noise-suppressed circular saw blade comprising teeth welded to said blade, gaps formed between subsequent ones of said teeth, the bottom portion of said gaps extending to a point closer to the saw blade centre than the radially inner end of said teeth, the improvement comprising a circumferential zone in the core disc of said saw blade, said zone positioned radially inside said teeth and having a thickness less than the thickness of said core disc and wherein a groove is formed in at least one of the surfaces of said saw blade, the bottom portion of said groove forming said zone and wherein the longitudinal medium line of said groove is essentially tangent to said bottom portion of said teeth gaps.
Dependencies are inferred from the claim text.