Earth working – With drive means for tool or cleaner – Tool driven about generally vertical axis
Patent
1998-05-15
2000-08-15
Batson, Victor
Earth working
With drive means for tool or cleaner
Tool driven about generally vertical axis
172 25, A01B 3306
Patent
active
06102130&
ABSTRACT:
A soil preparation-for-planting tool which has a drive motor with a rotatable portion including a central shaft with a distal cutting end, with the central shaft further having secured therewith an outwardly extending support to which is affixed one blade only, adapted to engage soil as it traverses around a central axis defined by the central shaft to divert into a central area soil, with the output shaft adapted to enter the soil first to locate dig and maintain the position of the shaft at a center of a proposed planting hole. The output shaft has toward its outer end one blade secured to rotate with the output shaft so as to effect a breaking of soil as it is rotated through the soil. The blade is of a shape and at an angle such that it will enter into soil by being rotated therethrough but upon being withdrawn, will be adapted to readily shed any soil.
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patent: 4854404 (1989-08-01), Weber et al.
patent: 5146997 (1992-09-01), Korin
patent: 5222563 (1993-06-01), Van Horlick
patent: 5850882 (1998-12-01), Link
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