Woodworking – Process – Including monitoring of operation
Patent
1993-03-05
1994-04-26
Bray, W. Donald
Woodworking
Process
Including monitoring of operation
144 2R, 144 3A, 144 8S, 144134R, 144371, 144 88, 269 37, 269 41, 269188, 269236, 409 80, B27B 100
Patent
active
053058127
ABSTRACT:
A bench mounted machine allows an operator to produce both mating components for woodworking through and half-blind dovetails in workpieces suitable for case construction and drawer construction with computer controlled programmable flexibility to determine size and centerline spacing of pins and tails as well as half-pin widths. Symmetrical and asymmetrical through and half-blind dovetail configurations can be created without the use of guide templates or fixed spindle arrangements. Stationary workpieces are mounted vertically and horizontally above an automated two axis dovetail cutting means. Pins and tails for interlocking through and half-blind dovetail joints are milled in the ends of workpiece boards based upon operator input commands from a personal computer control station.
REFERENCES:
patent: 2747627 (1956-05-01), Havlik
patent: 3272244 (1964-09-01), Nemec
patent: 3547171 (1970-12-01), Jacumin
patent: 4056137 (1977-11-01), Morasch et al.
patent: 4422488 (1983-12-01), Lacroix et al.
patent: 4632160 (1986-12-01), Wright
patent: 4632165 (1986-12-01), Stegherr
patent: 5094282 (1992-03-01), Suzuki et al.
"Joint-making jig requires no templates", Woodshop News (Apr. 1993), pp. T1, T5.
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