Woodworking – Shaping machine – Heel forming
Patent
1979-04-11
1981-10-13
Bray, W. D.
Woodworking
Shaping machine
Heel forming
33 27L, 144323, 409182, B27C 510
Patent
active
042942977
ABSTRACT:
An apparatus and method for guiding a router bit relative to a guide surface on a workpiece includes a pair of guide pins adapted to be supported in generally fixed relation to the router bit and in spaced-apart relation from one another and the router bit. The guide pins are maintained in continuous engagement with the guide surface of the workpiece and moved therealong while the router bit cuts into the face of the workpiece to form a routed line thereon. In one embodiment, the guide pins are secured to the underside of the router tool at positions spaced apart from one another and radially spaced from the router bit protruding from the underside of the tool so that the router tool may be guided along the workpiece by the continuous engagement of the guide pins with the guide surface. In an alternate embodiment, the guide pins are supported in a selected pair of guide pin openings on a work surface with a router bit rotatably supported by a power drive mechanism in substantially horizontally fixed relation to the guide pins whereby a routed line is cut in a workpiece supported on the work surface upon movement of the workpiece with its guide surface maintained in continuous engagement with the guide pins.
REFERENCES:
patent: 2609018 (1952-09-01), Bjorklund
patent: 4197887 (1980-04-01), Groves
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