Patent ID: 6119787
Filing Date: 2000-09-19
Classification: A01B,A01C,E21B

Abstract:
On a surface ground location upon which a plant will be implanted into a hole in the soil, an auger planting tool comprising:an elongated cylindrical shaft means configured to replaceably receive an adapter means at one end and an alignment and guide means at another, opposite end;a plurality of spiral flange means fixedly attached to said shaft means;each of said spiral flange means having a contiguous spiral surface with a first cutting means configured in an arcuate relationship with said shaft means and disposed at a transverse edge of said spiral surface, and with a second cutting means configured in an arcuate relationship with said shaft means and disposed at another, opposite transverse edge of said spiral surface;each of said first cutting means is configured in an arcuate relationship with each of corresponding said second cutting means; anddepth control means configured with a ring means having a plurality of spoke means for distributing load upon said plurality of spiral flange means and disposed perpendicularly and circumferentially of said shaft means, and medially of said adapter means and said plurality of spiral flange means for controlling penetration of said spiral flanged means into said ground while said hole is bored under downward cutting and churning action of said plurality of cutting means and while separated soil is extracted to said ground surface under upward conveying action of said spiral surfaces, by rotating independently of rotation of said plurality of spiral flange means about said shaft means.