Woodworking – Combined machine
Patent
1994-07-18
1995-09-26
Bray, W. Donald
Woodworking
Combined machine
144134D, 144136C, 144144R, 409175, B23C 120, B27C 510
Patent
active
054527511
ABSTRACT:
A multi-purpose router baseplate accessory is configured to perform eight different woodworking tasks. The accessory includes a rectangular rigid transparent plate with a pair of handles, at least one of which is readily removable, and two separate mounting locations for a router. When attached to the base of a router, this accessory serves as 1) an extended baseplate with the router centered on the baseplate, 2) an offset baseplate with the router attached toward one end of the baseplate, 3) a circle-cutting jig using a series of accurately placed pivot location holes located along two different radii from one of the mounting locations, 4) an aid in cutting woodworking joints such as dados wherein the center of the mounting location, and the router shaft, is eccentric with respect to the adjacent sides of the baseplate by predetermined measurements, 5) a holder for a guide collar (itself another router accessory) at either of the mounting locations, 6) an aid to making cemtered mortises along a surface of a workpiece, 7) an aid in trimming and planing wood surfaces, and 8) a mounting plate to hold a router stationary in a stand or other fixture.
REFERENCES:
patent: 4197887 (1980-04-01), Groves
patent: 4294297 (1981-10-01), Kieffer
patent: 4685496 (1987-08-01), Livick
patent: 4763707 (1988-08-01), Hounshell
patent: 5183373 (1993-02-01), Floyd, Jr.
Engler, III Nicholas A.
McCann James M.
Bray W. Donald
Nauman Joseph G.
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