Router jig for forming corners on decorative molding

Details Router jig for forming corners on decorative molding Router jig for forming corners on decorative molding

1998-02-03

1999-04-13

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

144137, 1441441, 14414452, 1441545, 409130, B27M 300, B27C 510

Patent

active

058934022

ABSTRACT:
The router jig of this invention uses a preformed negative form of the decorative molding as a guide which directs a router having a straight router bit along the end of a piece of the molding to appropriately form the end for an inside corner. The router jig includes a generally rectangular frame having a router support tray which is slidable relative to the frame. A slot is formed through one side wall of frame. A biased guide pin is connected to the router support tray and is accommodated within the slot of the frame. In use, a router is placed onto the router base and in contact with the guide pin which is extending through the slot. The opposite end of the guide pin is placed in contact with the negative form. With a piece of molding clamped under the frame, the router is turned on and slid with the router base perpendicularly across the molding. As the router is slid relative to the frame and molding, the guide pin is guided along the negative form. Contact between the negative form, the guide pin and the router causes the router to follow the path of the negative form and route a similar profile onto the end of the piece of molding.

REFERENCES:
patent: 3442309 (1969-05-01), Jentsch
patent: 4743004 (1988-05-01), Kloss
patent: 4880042 (1989-11-01), Schafferkotter
patent: 5094279 (1992-03-01), Dickey et al.
patent: 5161589 (1992-11-01), DiBiagio
patent: 5363732 (1994-11-01), Heasley
patent: 5667001 (1997-09-01), Sanger et al.
patent: 5778951 (1998-07-01), Huitsing

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