Unearthing plants or buried objects – Earth removal and separation – Spiral conveyer for excavator or separator
Reexamination Certificate
2005-03-08
2005-03-08
Novosad, Christopher J. (Department: 3671)
Unearthing plants or buried objects
Earth removal and separation
Spiral conveyer for excavator or separator
C171S124000
Reexamination Certificate
active
06863132
ABSTRACT:
A harvester for harvesting a root crop, and more in particular for harvesting potatoes. For that purpose, the root crop and attached soil material is guided towards a rotating helically shaped conveyor track. This conveyor track is provided with sieve openings, which remove attached soil material from the root crop during transportation. Preferably, the helically shaped conveyor track is made of synthetic tubing or rods, which can be bought on a roll.
REFERENCES:
patent: 494 488 (1950-07-01), None
patent: 614 144 (1948-12-01), None
patent: 91 516 (1959-02-01), None
Novosad Christopher J.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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