Utility pole drill guide

Details Utility pole drill guide Utility pole drill guide

1976-05-13

1977-06-21

Simpson, Othell M.

Cutting by use of rotating axially moving tool

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

Adjustable, tool-guiding jig

408 92, B23B 4728, B23B 4902

Patent

active

040308545

ABSTRACT:
A pair of metal longitudinal members (herein called "tubes") having spaced holes along their lengths are held in place lengthwise against a wooden utility pole by means of spring-tensioned chain tighteners. A plurality of V-shaped brackets are slideably connected at their ends across the tubes, the brackets having positioning pins in their ends for insertion into the holes of the tubes. Interchangeable bushings for different diameter drills are affixed to the V-shaped brackets. Preferably, a top support bracket having a pipe which fits on top of the pole is affixed across the upper ends of the tubes. The V-shaped brackets can be slid up and down the tubes so that holes can be drilled at precise distances from the top of the pole and from one hole to the next.

REFERENCES:
patent: 917488 (1909-04-01), Roberts
patent: 2029650 (1936-02-01), Betz
patent: 3090260 (1963-05-01), Brooks et al.

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