Earth surface cleaning machine

Details Earth surface cleaning machine Earth surface cleaning machine

1982-06-28

1984-11-13

Johnson, Richard J.

Unearthing plants or buried objects

Stone gathering and/or unearthing by impelling above-ground...

171130, 172 96, A01D 1700

Patent

active

044820194

ABSTRACT:
The earth surface cleaning machine is utilized for cleaning on or just beneath the earth surface on land or in water. The machine is connected to, operated from, and pulled by a vehicle, such as a tractor. The elements of the machine include a rotatable tine assembly for skimming material from the earth surface, a transfer conveyor for transferring debris and small earth particulate matter to a screening conveyor where the debris is screened from the particulate matter and a collection hopper mounted on a trailer carriage and to which the screening conveyor delivers the debris.

REFERENCES:
patent: 965115 (1910-07-01), Moore
patent: 1388953 (1921-08-01), Knight
patent: 1563340 (1925-12-01), Christenson
patent: 2693746 (1954-11-01), Klein
patent: 2698506 (1955-01-01), Rushfeldt
patent: 3126656 (1964-03-01), Blackwell
patent: 4014390 (1977-03-01), Teixeira
patent: 4121667 (1978-10-01), Curl
patent: 4221265 (1980-09-01), Pratt
patent: 4241792 (1980-12-01), Kratzer

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