Woodworking – Dovetailing machine – Frusto-conical bit
Patent
1981-08-17
1983-09-20
Bray, W. D.
Woodworking
Dovetailing machine
Frusto-conical bit
1441445R, B27F 114
Patent
active
044050046
ABSTRACT:
A dovetail fixture for guiding a cutting tool in cutting mortises and tenons is described which can be simply used in cutting mortises and tenons. The fixture includes a molded base equipped with a horizontal table or work receiving surface and a sloped apron carrying spaced apart bosses defining a vertical work receiving surface. The surfaces are adapted to support work pieces in orthogonal positions with the end of a horizontal work piece in abutting relation with the end of a vertical work piece. Also included is a first clamping means adapted to clamp the horizontal work piece against the horizontal work receiving surface and a second clamping means adapted to clamp vertical work piece against the vertical work receiving surface in their abutting positions. A cutter guiding template is employed having at least one of its edges formed with a series of alternating guide fingers and slots. The template is adapted to overlie one of the work pieces and to be clamped thereupon in a position such that the outer edges of said set of slots and fingers is in alignment with the outer surface of the work piece.
REFERENCES:
patent: 1679074 (1927-06-01), Carter
patent: 2764191 (1953-08-01), Hartmann
patent: 3057383 (1958-11-01), Waite
patent: 3109466 (1961-05-01), Jones
patent: 3800840 (1974-04-01), McCord, Jr.
patent: 3834435 (1974-09-01), McCord, Jr.
patent: 3935779 (1976-02-01), Hildebrandt et al.
Bell Edward L.
Bray W. D.
Schmidt Edward P.
Smith Robert E.
The Singer Company
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