Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Patent
1990-04-09
1991-05-07
Briggs, William
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
144134D, B23C 120, B27C 500
Patent
active
050131958
ABSTRACT:
A router guide apparatus having a support arm attached to the router, a base plate supported on the support arm, an opening in the base plate through which a router bit may pass, and, a router guide member on the base plate, the router guide member having a semi-cylindrical surface area having a radius substantially equal to the radius of the router bit.
REFERENCES:
patent: 2672898 (1954-03-01), Schuster
patent: 2705032 (1955-03-01), Pearson
patent: 2839107 (1958-06-01), Emmons
patent: 3207193 (1965-09-01), Godfrey
patent: 3454061 (1969-07-01), Cordone et al.
patent: 3494394 (1970-02-01), Stock
patent: 3517712 (1970-06-01), Selowitz
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