Router guide assembly for cutting return bends in radiant...

Details Router guide assembly for cutting return bends in radiant... Router guide assembly for cutting return bends in radiant...

2011-04-12

2011-04-12

Self, Shelley (Department: 3725)

Woodworking

Shaping machine

Grooving machine

C144S144100, C144S144520, C409S179000

Reexamination Certificate

active

07921887

ABSTRACT:
A guide system for cutting return bends directly into the underlayment panels of a radiant floor heating system is provided that eliminates the need for the installation of separate return panels. The guide system includes a guide panel having a guide rail on its bottom surface and a pivoting guide on its top surface. The pivoting guide is pivotally movable through a 180-degree arc relative to the guide panel and is configured to receive a router with a plunge or dovetail bit installed therein. In this manner, the router is pivotably movable through a controlled 180-degree semi-circular arc from a point that is aligned with a groove in which the guide rail is installed to a groove in an adjacent underlayment panel allowing the user to pivot the router to cut a return bend into the underlayment in the desired location.

REFERENCES:
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patent: 5414938 (1995-05-01), Meek
patent: 5682934 (1997-11-01), Rybski
patent: 6918720 (2005-07-01), Kopras et al.
patent: 2005/0274432 (2005-12-01), Gass et al.
patent: 2006/0157155 (2006-07-01), Robinson

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