Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...
Patent
1990-08-31
1991-11-26
Kisliuk, Bruce M.
Boring or penetrating the earth
With above-ground means for handling drilling fluid or cutting
Fluid or cuttings directing or receiving means engaging bore...
175 88, 175121, 175161, 175315, E21B 700, E21B 2100
Patent
active
050675699
ABSTRACT:
An auger assembly for drilling holes or similar openings in the ground includes an auger blade mounted for vertical movement and a dirt retaining shell that surrounds the auger blade also mounted for vertical movement independently of the auger blade. When the hole has been drilled to the appropriate depth, the retaining shell is lowered down into the hole to surround the auger blade and the auger blade and the retaining shell are removed from the hole simultaneously. The retaining shell retains the dirt on the auger blade to prevent the dirt from falling back into the hole. A pair of lateral extensions provide a cutting a cutting edge on the perimeter of the auger blade in order to provide a hole which is slightly larger in diameter than the diameter of the auger blade to permit the retaining shell to be lowered around the auger blade. Another element of the assembly is a pair of sweeper arms mounted coaxially with the auger blade but independent from the auger blade and oriented adjacent the surface of the ground to disperse dirt being removed from the ground to prevent the dirt from falling back into the hole. The entire auger assembly is mounted on a tractor or other vehicle for transporting the auger assembly through the field. Hydraulic equipment is used to power and actuate the auger assembly.
REFERENCES:
patent: 521175 (1894-06-01), Odewahn et al.
patent: 1036230 (1912-08-01), Harris
patent: 1107927 (1914-08-01), Fuchs
patent: 2061218 (1936-11-01), Watson
patent: 2121680 (1943-06-01), Houston
patent: 2783974 (1957-03-01), Veasman
patent: 2887300 (1959-05-01), Meredith
patent: 3056093 (1974-12-01), Case
patent: 3190375 (1965-06-01), Pearson
patent: 3835941 (1974-09-01), King
patent: 4364441 (1982-12-01), Geeting
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