Drill guide assembly

Details Drill guide assembly Drill guide assembly

1979-07-11

1981-03-03

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Adjustable, tool-guiding jig

408 72R, B23B 4728, B23B 3900

Patent

active

042537843

ABSTRACT:
A drill guide assembly including a guide having a base with a predetermined transverse dimension and a plurality of guide channels formed therein in spaced apart relation wherein the transverse dimension of the base is sufficient to provide a linear path of travel of a drill bit passing therethrough and into a work piece. A positioning arm attachable at least one of two spaced apart points along the length of the base wherein the positioning arm has one end engaging the work piece so as to establish a predetermined angular orientation between the work piece and the base and particularly the drill passing through the base into the work piece.

REFERENCES:
patent: 1237143 (1917-08-01), Allen
patent: 2515383 (1950-07-01), Sneva
patent: 2602238 (1952-07-01), Wellman
patent: 3598496 (1971-08-01), Skinner
patent: 3804546 (1974-04-01), Boyajian

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