Earth auger

Details Earth auger Earth auger

1976-07-28

1978-02-21

Purser, Ernest R.

Boring or penetrating the earth

Bit or bit element

Bit with leading portion forming smaller diameter initial bore

175323, 175394, 175398, 175421, E21C 114, E02D 714, E21B 906

Patent

active

040747808

ABSTRACT:
An earth auger having an integral or one piece cutting blade and pilot element so arranged that the pilot element is spaced downwardly from the shaft of the auger; the cutting blade also having a curved edge swept back from the axis of the auger to provide a slicing action as well as "threading" action to facilitate penetration of the auger into the ground.

REFERENCES:
patent: 1116154 (1914-11-01), Stowers
patent: 2680597 (1954-06-01), Brown
patent: 2863640 (1958-12-01), Peterson
patent: 3240513 (1966-03-01), Turzillo
patent: 3864923 (1975-02-01), Turzillo

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