Woodworking – Special-work machine – Combined
Patent
1993-03-11
1994-12-27
Bray, W. Donald
Woodworking
Special-work machine
Combined
33567, 33571, 33573, 83454, 83456, 83459, 834671, 83468, 29 26A, 144 35R, 144 92, 144136R, 144365, 144367, 144368, 269157, 269236, 269239, B27M 108, B27C 300
Patent
active
053756363
ABSTRACT:
A pocket joint cutter system for forming a pocket cut and fastener bore into a workpiece. The pocket cut and fastener bore receives a fastener such as a self-tapping screw which passes through the bore and into a second workpiece for forming a Joint between the two workpieces. The head of the fastener is held within the pocket cut in order to secure the joint. In one preferred form of the present invention, a workpiece system secures the workpiece in a predetermined position and forms the pocket cut and fastener bore into the workpiece. This preferred embodiment further comprises a bench-mounting system coupled to the workpiece system for securing the system to a bench. Using this embodiment of the present invention, the system can be mounted to a bench, and the workpiece can be brought to the system and held in position while the user forms the pocket cut and fastener bore. In an alternate form of the present invention, the system comprises a pocket cutter system for forming the pocket into a surface of the workpiece and a drill guide system for guiding a drill bit in order to form the fastener bore into the pocket at an orientation which is perpendicular to a joint surface of the workpiece. With such a perpendicular orientation of the fastener bore, the two workpieces are less inclined to creep up or down with respect to one another, in contrast to systems which position the fastener bore at a non-perpendicular angle to the joining interface between the two workpieces.
REFERENCES:
patent: 4603719 (1986-08-01), Durney
patent: 4944627 (1990-07-01), Durney
patent: 5063982 (1991-11-01), Durney
Bosten Donald R.
Clowers Earl R.
Mitchell George W.
Wall Daniel P.
Bray W. Donald
Porter-Cable Corporation
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