Sampling device

Details Sampling device Sampling device

1979-02-16

1981-02-24

Leppink, James A.

Boring or penetrating the earth

Boring without earth removal

Combined with earth removal

175 58, 734252, E21B 726

Patent

active

042522005

ABSTRACT:
Disclosed is a device for obtaining a plurality of samples from mineral deposits such as placer deposits to determine the presence of valuable metals. The device comprises a tubular member having a plurality of windows extending along its longitudinal axis and having a tapered point at one end, and a rotatable shaft within the tubular member having a plurality of compartments capable of aligning with the windows of the tubular members upon appropriate rotation of the shaft relative to the tubular member, each compartment having at least one spring-like tooth capable of extending from the compartment and through a window when the compartments and windows are aligned. The device may further include a pounder for driving the tubular member into a deposit.

REFERENCES:
patent: 1635340 (1927-07-01), Perry et al.
patent: 2454952 (1948-11-01), Starkey et al.
patent: 2681795 (1954-06-01), Gregory
patent: 2688877 (1954-09-01), Peine
patent: 2896444 (1959-07-01), Forman et al.
patent: 3085636 (1963-04-01), Bennett et al.

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