Woodworking – Process – Mechanical cutting or shaping
Patent
1990-06-14
1991-08-13
Bray, W. Donald
Woodworking
Process
Mechanical cutting or shaping
33 2703, 144 1F, 144134D, 144136C, 83574, B27C 510
Patent
active
050388410
ABSTRACT:
A cutting guide mates with a variety of types and brands of power tools and quickly and easily allows circular cuts to be made in sheets of wood. The cutting guide is attached to a radius arm such as a length of two-by-four lumber that defines the circle. The cutting guide is provided with adjustment for varying the radius of the circular cuts, which can also be varied by appropriate selection of the radius arm length.
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patent: 4143691 (1979-03-01), Robinson
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patent: 4685496 (1987-08-01), Livick
patent: 4718468 (1988-01-01), Cowman
patent: 4913206 (1990-04-01), Altinbasak
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