Dado cutting blade arrangement

Details Dado cutting blade arrangement Dado cutting blade arrangement

1996-03-22

1997-06-10

Bray, W. Donald

Metal working

Method of mechanical manufacture

Assembling or joining

29464, 83664, 144218, 144237, 144238, 144329, B23Q 300, B26D 112, B27G 1300

Patent

active

056364288

ABSTRACT:
A blade arrangement for cutting dados that includes magnetic dado spacers, which firmly adhere through magnetic attraction to the dado blades, is disclosed. Also, with the blade arrangement of the present invention, problems due to blade vibrations are reduced. The cutting width is conveniently measured and adjusted without having to repeatedly install and remove the nut, since the magnetic dado spacers hold adjacent blades firmly together, before they are tightened. Additionally, the use of magnetic dado spacers reduces the possibility of the spacers falling into and becoming caught in the thread of an arbor. A further advantage is that the magnetic dado spacers are much quicker and easier to install than prior art dado spacers. Also, the dado spacers of the present invention securely hold other conventional spacers against a blade, and are easily and economically made in a variety of different diameters, with different arbor hole sizes for fitting different saws, and in a variety of thicknesses for finely adjusting the spacing of dado blades.

REFERENCES:
patent: 4195542 (1980-04-01), Zimmer
patent: 5316061 (1994-05-01), Lee

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