Router attachment

Details Router attachment Router attachment

1985-06-10

1986-12-23

Bray, W. D.

Woodworking

Shaping machine

Heel forming

83574, 144136C, 409182, B27C 510

Patent

active

046306560

ABSTRACT:
A router attachment assembly is described herein which includes a pair of guide rails between which a router carriage assembly moves. A router is attached within the carriage assembly and the assembly includes mechanisms for lowering and raising the router carriage assembly to allow the router to perform desired cuts on a workpiece positioned beneath the guide rails. The carriage assembly itself rides directly on workpiece and is guided by the guide rails. Front stop and back stop means are included which can limit the movement of the carriage assembly along the guide rails to desired positions. The stop means further includes vertical edges against which the carriage assembly rests to cause the raising and lowering of the router to be perfectly vertical. The attachment further includes a pair of clamping rails positioned below the rails to clamp the workpiece in position or to define a path for moving the workpiece relative to a stationary positioned router. Further, the attachment includes circle and pattern cutting means, including a pin inserted into a receiver flushly mounted in the work table. For performing circular cuts, the router is positioned at the radius distance away from the pin and the workpiece is rotated around the pin. For performing pattern cuts, the router bit is positioned directly above a guide extending from the pin and a pattern is attached to the workpiece and moved against the guide. A pair of rulers are provided along the length of the router attachment and along the rails to precisely position either the router or the workpiece.

REFERENCES:
patent: 2957507 (1960-10-01), Vargo
patent: 4155383 (1979-05-01), Welliver
patent: 4281694 (1981-08-01), Gorman
patent: 4320678 (1982-03-01), Volk

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