Template used in installing door locks

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig

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Details

33638, 33644, 408 72R, B23B 4902

Patent

active

055690017

ABSTRACT:
A template used in installing door locks. A side bracket is slidably received by a front bracket and the two brackets are aligned for the door width or thickness of the door to be drilled. The template permits properly related pilot holes to be drilled into the door edge using the side bracket and the door face using the front bracket.

REFERENCES:
patent: 2679174 (1954-05-01), Schlage
patent: 2804788 (1957-09-01), Humphrey
patent: 2838966 (1958-06-01), Campbell
patent: 3008359 (1961-11-01), Mackey
patent: 4280776 (1981-07-01), Chaconas et al.
patent: 4331411 (1982-05-01), Kessinger et al.
patent: 4445277 (1984-05-01), Keefe
patent: 4893970 (1990-01-01), Becraft
patent: 5116170 (1992-05-01), Palmer et al.
patent: 5222845 (1993-06-01), Goldstein et al.
Porter-Cable model 511 cylindrical lock boring jig catalog, page, other info unknown.

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