Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Having tool-opposing – work-engaging surface
Patent
1998-01-23
1999-09-07
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Having tool-opposing, work-engaging surface
408115R, 408241B, B23B 4902
Patent
active
059476567
ABSTRACT:
A drilling template for carving into the lateral edge or the jamb of a door, a cavity shaped and dimensioned to receive either a flanged lock or its strikeplate has a series of drill bit bores at regular spaced-apart intervals along a central line, a pair of lateral legs with sharp ends, and mounting holes corresponding to those of the lock or strikeplate. The template is designed to be hammered into the door edge or jamb until the sharp edge-ended edges define the outline of the lock flange or of the strikeplate as well as the amount of wood to be removed to form the mortise necessary to nest those elements. The template can be screwed in place through mounting holes that correspond to those of the lock or strikeplate. A drill is used to rout the cavity through the drill bit bores. Guides in either side of the bores prevent lateral movement of the bit, but allow slight longitudinal swing to remove material that may remain between holes. Lateral spacers are provided to align the template against the angled part of the door jamb.
REFERENCES:
patent: 3465620 (1969-09-01), Hilburn
patent: 3626513 (1971-12-01), Pytlak
patent: 4194861 (1980-03-01), Keller
patent: 5697654 (1997-12-01), MacDonald
patent: 5791834 (1998-08-01), Zehrung
Bentley Mark T.
Bentley Robert C.
Simson Anton K.
Buchaca John D.
Charmasson Henri J. A.
Howell Daniel W.
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