Device and method for forming square inside corners on raised pa

Details Device and method for forming square inside corners on raised pa Device and method for forming square inside corners on raised pa

1994-05-11

1996-08-20

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

83613, 29558, 144367, 144371, 144147, 144 2402, B27M 108

Patent

active

055470033

ABSTRACT:
Square inside corners are formed in raised panels from a single workpiece to be used in the manufacture of cabinetry, furniture and the like. A machine with a rotatable spindle provides the drive for the square corner forming tool bit. The tool bit is mounted on a support that translates the rotary motion of the spindle to a reciprocating motion of the tool bit. The tool bit has a pair of side wall surfaces that are displaced at an angle equal to one half the angle formed by the corner, relative to the line of travel of the tool bit. The lower edges of the side wall surfaces are formed with cutting blades, ridges, or abrasive surfaces or, alternatively, the bottom wall surface of the tool bit is formed with such cutting edges.

REFERENCES:
patent: 4932450 (1990-06-01), Baker

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