Router guide for door hinges

Description

FIG. 1 is a perspective view of the router guide and router bit in use in recessing hinges for a door frame, the broken line showing of the 4 by 4 cutting blade are for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side view;

FIG. 3 is an end view;

FIG. 4 is a second side view; and,

FIG. 5 is a second end view.

Referenced Cited
U.S. Patent Documents
4552193 November 12, 1985 Armas
4742853 May 10, 1988 Davison
4768570 September 6, 1988 Honeyman
4770216 September 13, 1988 Ruscak
4787432 November 29, 1988 Williams
4825920 May 2, 1989 Evitts
Patent History
Patent number: D337502
Type: Grant
Filed: Sep 12, 1991
Date of Patent: Jul 20, 1993
Inventor: Bradley R. Witt (Davenport, IA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: J. H. Musgrove
Attorney: Robert O. Richardson
Application Number: 7/758,080
Classifications
Current U.S. Class: D 8/70