Soil sampling tool

Details Soil sampling tool Soil sampling tool

1982-02-08

1983-05-17

Novosad, Stephen J.

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

7386451, E21B 726

Patent

active

043835830

ABSTRACT:
A subsurface soil sampler constituted of a hollow tube having a pointed closure at its lower end for soil penetration and a handle at its upper end for manipulation of the sampler. A combined footrest and penetration limiter is detachably secured at a vertically selected position on the tube enabling application of the user's weight to soil penetration to a selected depth. The tube is provided with a lateral opening adjacent its lower end that is partially bounded by an outwardly offset lip for cutting and diverting a specimen of ambient soil into the tube on movement of the tube such as to advance the free edge of the lip into the soil. Species are disclosed with tangentially and vertically directed lips respectively operative to sample on turning and vertical movement of the tube. A ladle is provided for removing the specimen from the tube. One form of the ladle includes a valve element such that the ladle can be selectively positioned to close and open the lateral opening.

REFERENCES:
patent: 1168486 (1916-01-01), Des Isles
patent: 2544728 (1951-03-01), Safford
patent: 3065637 (1962-10-01), Landes
patent: 4252200 (1981-02-01), Peterson

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