Earth working – Driven from or guided by stationary object – or anchored – Rotatable about vertical axis
Patent
1998-12-24
2000-09-19
Pezzuto, Robert E.
Earth working
Driven from or guided by stationary object, or anchored
Rotatable about vertical axis
A01B 3306
Patent
active
061197874
ABSTRACT:
An auger planting tool for boring holes in yards and the like, wherein plants and the like may be conveniently implanted into the soil, is attached to a rotating drive device such as a drill or a Weed-Eater type cutting and drill. By triggering the rotating drive device, the auger tool is driven to the intended depth beneath the soil. A detent ring controls the penetration of the auger tool into the soil. An auger spiral flange simultaneously provides a cutting and screwing action attributable to the spiral configuration thereof. The auger spiral flange is fixedly attached to a shaft, and includes plurality of cutting blades and a plurality of contiguous spiral surfaces. These cutting blades forcibly dig into and through the soil bed. An alignment and guide member promotes keeping this downward driving action in a substantially vertical orientation. A churning action caused by the rotating spiral configuration agitates the soil that has been separated from the ground and enables the spiral surface to communicate the loosened soil toward the surface by emulating an upwards conveying action.
REFERENCES:
patent: 542584 (1895-07-01), Carter
patent: 1340927 (1920-05-01), Whitman
patent: 4807710 (1989-02-01), Greeley
patent: 4901800 (1990-02-01), Wilson
patent: 4986368 (1991-01-01), Underwood et al.
patent: 5133269 (1992-07-01), Charneski
patent: 5865259 (1999-02-01), Catto
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