Woodworking – Shaping machine – Heel forming
Patent
1985-09-12
1987-02-03
Bray, W. D.
Woodworking
Shaping machine
Heel forming
144144R, 144137, 409182, B27C 510
Patent
active
046403248
ABSTRACT:
An attachment (10) to facilitate precise cutting of a sheet of inlay material (26) with a router (12) to fit a cutout in a sheet of underlying material (28) comprises a top plate (30) and a spaced-apart bottom plate (32) defining a slot (34) for receiving the sheet of inlay material to be cut. The router (12) is mounted in a collar (42) adjustably secured to the top plate (30) over a clearance hole (40). A rotatable cam (76) is mounted in the bottom plate (32) beneath the clearance opening (40) in the top plate (30). The rotatable cam (76) includes an offset depending cam follower (78) which follows the edge of the cutout in the sheet of underlying material (28) so that a matching edge can be cut in the sheet of inlay material (26) for precise patching and inlay work.
REFERENCES:
patent: 2722957 (1955-11-01), Marvosh
patent: 3207193 (1965-09-01), Godfrey et al.
patent: 3332462 (1967-07-01), Williams
patent: 3376787 (1968-04-01), Morganson
patent: 3635268 (1972-01-01), Longe
patent: 3716085 (1973-02-01), Wing
patent: 3913447 (1975-10-01), Roche
patent: 3981226 (1976-09-01), White
patent: 4102370 (1978-07-01), Vess
patent: 4143691 (1979-03-01), Robinson
patent: 4252164 (1981-02-01), Norlander
patent: 4319860 (1982-03-01), Beares
patent: 4323100 (1982-04-01), Silken
Brochure entitled "Betterley Underscribe", dated May 1, 1983.
Brochure entitled "Betterley Seaming Router", dated May 1, 1983.
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