Digging tool

Details Digging tool Digging tool

1994-01-27

1995-06-27

Neuder, William P.

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

172 22, A01D 100, A01D 4500, E21B 1002

Patent

active

054271894

ABSTRACT:
There is described a handheld and actuated tool for making small diameter holes in the earth, comprising an elongated earth penetrating tubular member for cutting a core of earth, and a handle portion connected to the tubular member for transmitting earth penetrating and torsional forces thereto and for pulling the tubular member from the earth to remove the core of earth therein.

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patent: 5209534 (1993-05-01), Crenshaw et al.
patent: 5228685 (1993-07-01), Williamson

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