Footing auger

Details Footing auger Footing auger

1992-04-28

1993-05-25

Bui, Thuy M.

Boring or penetrating the earth

With tool shaft detail

Helix or helically arranged structure

E21B 1000, E21B 1700

Patent

active

052131700

ABSTRACT:
A footing auger has a helical auger portion with a chuck on one end for attaching the footing auger to a rotating power tool, a rod-like pilot on the other end of the footing auger for guiding the footing auger in a predetermined direction, and forwardly directed hardened blade extensions attached to the helical auger portion and the pilot that are arranged and configured to chip the dirt or other substances from the desired hole.

REFERENCES:
patent: 1118733 (1914-11-01), Brooks et al.
patent: 2613062 (1952-10-01), Harbert
patent: 2877987 (1959-03-01), Petersen
Turfco Pipe Piper Boring Unit brochure (undated).
Little Beaver, Torque-Free One-Man Earth Drilling Unit, advertisment, Rental Equipment Register, p. 133 (Oct. 1990).
Groundhog Inc., Model D-5 Two-Man Drill, advertisement, Rental Equipment Register, p. 86 (Oct. 1990).
McMillen, Hydraulic Earth Drill Attachments, advertisement, Rental Equipment Register, p. 150 (Oct. 1990).
Bil-Jax, Inc., Yellow Jacket Earth Augers, advertisement, Rental Equipment Register, p. 151 (Oct. 1990).

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