Geometrical instruments – Gauge – Mortise
Patent
1987-09-10
1989-03-28
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Mortise
33562, 33638, 33613, 33644, 1441445R, E05B 1706
Patent
active
048152153
ABSTRACT:
A universal holding fixture with integrated templates for routing recess slots in doors for lock plates and door jambs for strike plates. The fixture includes a clamping mechanism allowing attachment to various widths of jambs and doors and is capable of compensation for irregularities and levels on the doors or jambs. The fixture provides two support bars to guide and control the router motor base for ease of operation and accurate control of recess depth. A depressible locating pin achieves accurate centering of lock plate with door lock bolt.
REFERENCES:
patent: 1233458 (1917-07-01), Fisk
patent: 2370017 (1945-02-01), Delvaux
patent: 2427081 (1947-09-01), Zern
patent: 2809440 (1957-10-01), Schlage
patent: 2832154 (1958-04-01), Bauer
patent: 3150452 (1964-09-01), Meuwissen
patent: 3789892 (1974-02-01), Converse et al.
patent: 4306823 (1981-12-01), Nashlund
patent: 4392307 (1983-07-01), Wightman, Jr.
Rickert Richard
Saylor Millard P.
Cuchlinski Jr. William A.
Gilhooly Edward D.
Scanlon Patrick R.
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