Bucket auger

Details Bucket auger Bucket auger

1988-12-05

1989-08-08

Taylor, Dennis L.

Boring or penetrating the earth

Bit or bit element

175391, 172111, E21B 1040, A01B 3306

Patent

active

048544043

ABSTRACT:
A bucket auger for excavating holes for planting trees is disclosed which includes a trapezoidal cutting frame having teeth secured to the side and bottom. A central vertical shaft adapted to connect to a rotational drive mechanism is secured through upper and lower members of the frame. Two half frusto conical bucket members are pivotally suspended from the upper cross member of the cutting frame by arms such that the weight of the bucket members plus the weight of earth contained within force the bucket to remain closed during lifting of the bucket auger out of the excavation. Lifting flanges are provided for attaching lifting/opening cables to force the two bucket members open to release the earth contained therein.

REFERENCES:
patent: 146475 (1874-01-01), Richards
patent: 154962 (1874-09-01), Salyer
patent: 173482 (1876-02-01), Lyon
patent: 185638 (1876-12-01), Hubbard
patent: 244819 (1881-07-01), Needham
patent: 1916688 (1933-07-01), Smith
patent: 2091779 (1937-08-01), Gooder
patent: 2873950 (1959-02-01), Kandle
patent: 3561540 (1971-02-01), Kaszkurewicz

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