Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Patent
1996-10-25
1998-04-28
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
408 97, B23B 4900
Patent
active
057436843
ABSTRACT:
An adjustable drill hole jig which allows a carpenter easy and quick customization of the drill hole jig to conform to the particular hole positioning required of the drilling job at hand, in particular the drilling of threaded fastener holes into cabinet doors for the purpose of attaching handles thereto. The drill hole jig according to the present invention is composed, generally, of: a base having an L-shaped guide edge, a first guide abutment for restingly engaging a workpiece surface, and a first guide opening; a primary armature having a second guide opening wherein the primary armature is guidably slidable along a first axis in the first guide opening; and a secondary armature guidably slidable along a second axis, which is perpendicular to the first axis, in the second guide opening. The secondary armature is provided with a plurality linearly arranged guide holes for guiding drilling of holes in a workpiece. The first and second armatures are selectively fixable in position relative to the base via threaded fasteners associated with the primary armature.
REFERENCES:
patent: 3273426 (1966-09-01), Cleveland
patent: 4684299 (1987-08-01), Laliberte
patent: 5064319 (1991-11-01), Eriksen
patent: 5375949 (1994-12-01), McHenry
patent: 5507607 (1996-04-01), Ericksen et al.
Howell Daniel W.
Keefe Peter D.
Rex Systems, Inc.
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