Boring or penetrating the earth – Bit or bit element – With helical-conveying portion
Patent
1989-08-01
1991-11-26
Novosad, Stephen J.
Boring or penetrating the earth
Bit or bit element
With helical-conveying portion
175385, E21B 1044
Patent
active
050675710
ABSTRACT:
An auger planter is provided for forming small holes in the earth for the planting of flower bulbs and the like. The auger includes a central shaft and a single flighting having its leading and trailing ends truncated. When used, the single flighted auger exhibits minimal eccentric orbital rotation and minimizes inadvertent injury to the user.
REFERENCES:
patent: 3356168 (1967-12-01), Johnson
patent: 4185707 (1980-01-01), Wilson
patent: 4282943 (1981-08-01), Leitner
patent: 4653245 (1987-03-01), Webb
patent: 4742656 (1988-05-01), Farmer
patent: 4807710 (1989-02-01), Greeley
Bradley Richard A.
Niewold D. Wayne
Novosad Stephen J.
Power Planter, Inc.
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