Shovel for placer mining

Details Shovel for placer mining Shovel for placer mining

1988-07-27

1989-04-18

Marbert, James B.

Handling: hand and hoist-line implements

Hand forks and shovels

209415, B07B 102

Patent

active

048220906

ABSTRACT:
A shovel for placer mining for use in the riverbed including a shovel handle, a shovel blade fixedly attached to the handle with four elongated rectangular openings on its surface, a shovel scoop detachably screwed beneath the blade and formed with a concave bottom piece, two side plates and a rear plate with two elongated hexahedral projections all underneath a U-shaped flange having a stepped portion on its rim, a mesh screen placed beneath the blade on the top part of the scoop and forming a flat net enclosed in a U-shaped frame connected with a straight frame, a bottom lining forming the upper surface of the bottom piece and having the same curvature and size as the bottom piece enabling the projections of the scoop to hold a lining frame and therefore allowing the mining portion to mine minerals, namely placer gold.

REFERENCES:
patent: 661774 (1900-11-01), Sheehy et al.
patent: 1306931 (1919-06-01), Thomas
patent: 4289241 (1981-09-01), Litrap

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