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US 4,907,659 AGranted
Powered soil-sampler
AssigneeBASF SE
InventorJuergen Ludwig
Life of this patent
Estimating the term…
Abstract
An auger-type of device has a hollow central shaft for taking undisturbed soil samples. The tip of the device has teeth for grinding soil from around the sample. The device comprises a helical conveyor for transporting the ground product upwards and away from the soil sample.
Claims16
A powered apparatus for taking an undisturbed soil sample comprising:
- A. an earth auger comprising:
- 1. a hollow central shaft within which is a removable sample-receiving tube;
- 2.
Dependencies are inferred from the claim text.