Digger for root crops

Details Digger for root crops Digger for root crops

1985-04-11

1987-01-06

Hafer, Robert A.

Unearthing plants or buried objects

Methods of recovering buried objects

171 6, 171 53, 171 55, 171 62, 198417, A01D 2900, A01D 2504, B65G 4724, B65G 4744

Patent

active

046339558

ABSTRACT:
A digger for root crops, such as peanuts, includes two or more digger units depended from a frame drafted by a tractor. Each digger unit includes a screw conveyor, a guide pair helically wrapped 180.degree. around the screw conveyor, and a hydraulic motor to rotate the screw conveyor. Stem and leaf portions of the plants extending above the bed surface are engaged within and moved rearward by flights of the rotating screw conveyor. The stems slide within the helical guide slot, which lifts the peanuts from the soil, moves them outboard of the conveyor, and inverts the plants above the conveyor. The conveyors are angled to the direction of draft so that the inverted plants are discharged from the slots in a windrow on the center furrow between the dug beds. A roller between the conveyors forms a mound or hill in the center furrow to elevate the windrow above standing water.

REFERENCES:
patent: 922084 (1909-05-01), Carroll
patent: 1280207 (1918-10-01), Glaze
patent: 2249394 (1941-07-01), Noffsinger
patent: 2522644 (1950-09-01), Searcy
patent: 2747354 (1956-05-01), Bloser
patent: 3024849 (1962-03-01), Gregory
patent: 3106250 (1963-10-01), Gregory
patent: 3380538 (1968-04-01), Ganteaume
patent: 3538987 (1964-11-01), Taylor
patent: 3595251 (1968-12-01), Tarantola
patent: 3637023 (1972-01-01), Wood
patent: 3734193 (1973-05-01), Molnau et al.

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