Apparatus and method for forming dovetail joints

Details Apparatus and method for forming dovetail joints Apparatus and method for forming dovetail joints

1992-02-13

1993-04-06

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

33197, 144144R, 1441445R, 409130, B27M 300, B27C 510

Patent

active

051994771

ABSTRACT:
A method for making dovetail joints connecting a pin board having a curved cross-section to a dovetail board having a curved edge.
The method includes a method of cutting dovetails in the dovetail board by positioning a dovetail template defining a dovetail slot tangential to the curved edge of the dovetail board with the dovetail slot centered over a point on the curved edge which is closest to the template. The dovetail is cut by means of a router with a dovetail bit, and the procedure is repeated for all points on the curved edge at which a dovetail is desired.
The method also includes a method of cutting pins on a pin board by positioning a pin template having a tapered router guide normal to a point on an arched edge of the pin board. The pin is cut by means of a router with a straight bit, and the procedure is repeated for all points on the arched edge at which a pin is desired.
Modified dovetail and pin templates for use with the method for making curved dovetail joints are also disclosed.

REFERENCES:
patent: 1846199 (1932-02-01), Hall
patent: 4168730 (1979-09-01), Keller
patent: 4648433 (1987-03-01), Wolff

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