Row crop cultivator

Earth working – Diverse tools – Including colter

Patent

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Details

172310, 1726245, 172722, 172158, 172510, 111126, A01B 3908, A01B 3914

Patent

active

048341894

ABSTRACT:
An improved row crop cultivator for use in minimum tillage applications is described. A plurality of ganged cultivating units are mounted on a tool bar adapted to be towed behind a tractor vehicle. Each cultivating unit comprises a frame which is supported on a pair of spaced-apart gauge wheels. Also mounted on the frame for rotation within the gap between the gauge wheels is a disk-shaped coulter blade which is configured to cut through crop residue and weed debris as the material being cut is held against the ground surface by the gauge wheels. This arrangement tends to prevent improper cutting known as "hair-pinning". Trailing directly behind the coulter blade is a middleworker comprising a narrow width shank depending from the frame and having a weld point on its lower leading edge and wing-like share blades flaring rearwardly and outwardly at a predetermined angle from the lower end of the shank. The middleworker design reduces the tendency for slabs of earth to be thrown onto and thereby damaging growing row crops.

REFERENCES:
patent: 1698019 (1929-01-01), Howell
patent: 2420551 (1947-05-01), Morkoski
patent: 2440174 (1948-04-01), Howard
patent: 3621922 (1971-11-01), Hinken
patent: 4054007 (1977-10-01), Moore
patent: 4461355 (1984-07-01), Peterson
patent: 4538532 (1985-09-01), Coker
patent: 4601248 (1986-07-01), Beasley
Hiniker Econ-o-Till Cultivator, Advertizing Brochure of Hiniker Co. Mankato MN 7/1981.

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