Alignment tool for mounting door lock assembly

Details Alignment tool for mounting door lock assembly Alignment tool for mounting door lock assembly

1991-05-24

1992-01-21

Haroian, Harry N.

Geometrical instruments

Gauge

With point marker

33562, 33645, B25H 700, G01B 314

Patent

active

050817710

ABSTRACT:
An alignment tool for preparing through holes in a door to enable mounting a lock assembly includes a slidable bracket for securely positioning the tool in the mortise at the edge of the door. An angle element is connected to the bracket and to a support plate, which is perpendicularly disposed relative to the bracket. The support plate is formed with precisely positioned guide holes that indicates to the door installer exactly where the through holes are to be made.

REFERENCES:
patent: 292463 (1884-01-01), Bassett
patent: 513313 (1894-01-01), Etherington
patent: 824306 (1906-06-01), Means
patent: 1619695 (1927-03-01), Boese et al.

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