Hand held drill guide

Details Hand held drill guide Hand held drill guide

1988-04-29

1990-01-16

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

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

408115R, 33574, B23B 4902

Patent

active

048939706

ABSTRACT:
A guide for drilling dowel receiving bores in workpiece to be joined. The guide includes a main body having flat surfaces provided with pieces of frictional material such as aluminum oxide #40 grit, cloth back facilitating retention of the guide in place on a workpiece during drilling without clamping. An opening in the main body permits alignment of a drill receiving opening with a marking on the workpiece. The guide, in conjunction with a center punch, is locatable over a drilling sight in a workpiece without reference to a workpiece edge with additional frictional material contributing toward retention of the guide in place on a workpiece remote from a workpiece edge.

REFERENCES:
patent: 2428201 (1947-09-01), Cannarli et al.
patent: 2521938 (1950-09-01), Nitenson
patent: 2798520 (1957-07-01), Maskvlka et al.
patent: 3990623 (1976-11-01), Fortune
patent: 4655318 (1987-04-01), Bowen
patent: 4707013 (1983-11-01), Vranish et al.
patent: 4730959 (1988-03-01), Aerni et al.

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