초록 ▼

A noise dampener hub assembly for mounting a circular blade on the drive shaft of a circular saw including a spindle hub assembly having an inside noise dampener disc member, a separate outside noise dampener disc member and a spanner hub. The tubular hub member is externally threaded and the spanne

A noise dampener hub assembly for mounting a circular blade on the drive shaft of a circular saw including a spindle hub assembly having an inside noise dampener disc member, a separate outside noise dampener disc member and a spanner hub. The tubular hub member is externally threaded and the spanner hub is internally threaded so that they can be screwed together. The respective inner surfaces of the inside noise dampener disc member and the outside noise dampener disc member have radially spaced annular grooves that removably receive respective O-rings which dampen the noise produced during operation of the circular saw. A pair of pins extend outwardly from the inside noise dampener disc and pass through aligned apertures in the circular saw blade. These pins have different diameters for telescoping into the respective different sized alignment apertures. Also the respective pins and apertures are oriented 170° from each other so that the circular saw blade will always be installed at the same position.

대표청구항 ▼

What is claimed is: 1. A circular saw blade assembly including a noise dampener hub assembly mounting a one-part disc circular blade having a cutting portion on the exterior periphery of said disc on the drive shaft of a circular saw comprising:a metal circular saw blade;an inside noise dampener dis

What is claimed is: 1. A circular saw blade assembly including a noise dampener hub assembly mounting a one-part disc circular blade having a cutting portion on the exterior periphery of said disc on the drive shaft of a circular saw comprising:a metal circular saw blade;an inside noise dampener disc having an inner surface and an outer surface;an outside noise dampener disc having an inner surface and an outer surface;a first pair of radially spaced noise dampening resilient rings positioned on said inner surface of said inside noise dampener disc contacting one of the sides of the metal circular saw blade; anda second pair of noise dampening resilient rings positioned on said inner surface of said outside noise dampener disc contacting the other one of the sides of the metal circular saw blade.