Door lock drilling template

Details Door lock drilling template Door lock drilling template

1986-12-08

1987-12-29

Stearns, Richard R.

Geometrical instruments

Gauge

Mortise

408115R, B27G 1708, B23B 4728

Patent

active

047151250

ABSTRACT:
A drilling template for accurately positioning latch holes and lock cutouts in door stiles. The template includes a pair of spaced, parallel, rectangular, frame member that are rigidly interconnected at one end. The frame members straddle a vertical door stile with the interconnecting end firmly against the edge of the stile. Clamps on one frame member are then tightened. A latch hole drilling guide is centered in a plate at the interconnecting end of the frame, and various diameter hole saw guides on removable side plates are positionable at any of a plurality of selected positions along the length of the frame to provide cutout positions for any of many lock backsets.

REFERENCES:
patent: 2268930 (1942-01-01), Edwards
patent: 2843167 (1958-07-01), Rushton
patent: 3327573 (1967-06-01), Prussiano
patent: 3392607 (1968-07-01), Gieseke
patent: 4137003 (1979-01-01), Budoff
patent: 4306823 (1981-12-01), Nashlund
patent: 4445277 (1984-05-01), Keefe
patent: 4594032 (1986-06-01), Warburg

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