초록 ▼

A matched pair of two rotatable cutting tools (bits) is adapted to be individually chucked into a common router. Each of these two cutting tools includes a shaft with a removable nut, two or three cutters, one or two bearings, and suitable shims. A first bit has cutters shaped to remove material fro

A matched pair of two rotatable cutting tools (bits) is adapted to be individually chucked into a common router. Each of these two cutting tools includes a shaft with a removable nut, two or three cutters, one or two bearings, and suitable shims. A first bit has cutters shaped to remove material from the edge of a planar wooden article such as plywood that requires a finished appearance, to form a preferably rounded concave dado in the plywood edge. A second bit has cutters shaped to form a mating wood insert having a preferably rounded convex shape that matches the contour of the concave dado in the plywood edge. The mating wood insert is glued into the dado in the plywood to complete the finished edging.

대표청구항 ▼

[ Having described my invention, I claim:] [1.] A complementary pair of rotational machine tools for use in finishing an edge of a wooden article, comprising:a) a first, positive-profile bit for removing wood from said edge to form a tapered dado in said edge of said article, andb) a second, negativ

[ Having described my invention, I claim:] [1.] A complementary pair of rotational machine tools for use in finishing an edge of a wooden article, comprising:a) a first, positive-profile bit for removing wood from said edge to form a tapered dado in said edge of said article, andb) a second, negative-profile bit for shaping an insert to adapt said insert for nesting in said tapered dado, said negative-profile bit having a profile complementary to said positive-profile bit.