Apparatus for removing gravel from excavated soil

Details Apparatus for removing gravel from excavated soil Apparatus for removing gravel from excavated soil

1981-08-14

1982-12-14

Miles, Tim R.

Classifying, separating, and assorting solids

Sifting

Discharging

209421, 209398, 209400, B07B 128

Patent

active

043637256

ABSTRACT:
An apparatus for removing stone and gravel from excavated soil by vibration. The apparatus is particularly useful for operation at the foot of a volcano, mountainous district or the like. Characteristic features of the apparatus are that it is self-propelled by means of endless tracks and the excavated soil is separated into stone, gravel and soil with the aid of a sieving means and the separated stone and gravel are discharged from the apparatus by way of a conveyor, while the separated fine soil is conveyed by way of another conveyor and then is scattered rearward by means of a scattering device to be piled up on the working ground.

REFERENCES:
patent: 2814387 (1957-11-01), McWilliams
patent: 2864561 (1958-12-01), Mork
patent: 3439806 (1969-04-01), Kass et al.
patent: 3701422 (1972-10-01), Downey
patent: 4083775 (1978-04-01), Stewart et al.
patent: 4256572 (1981-03-01), Read

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