Planter

Planting – Drilling – Lister units

Patent

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Details

111 88, 172538, 172560, 172575, A01C 506

Patent

active

042078237

ABSTRACT:
A compact agricultural planter unit is provided for narrow row crops. The unit includes a pair of double disk furrow openers in combination with adjustable depth gauge wheels. The disks and wheels are carried by frame structure positioned between the wheels and are rotatably mounted on pivots located radially inwardly of the wheel peripheries. Manually adjustable structure for selecting the furrow depth or position of the gauge wheels relative to the disks extends slightly radially outwardly beyond the wheels.

REFERENCES:
patent: 410438 (1889-09-01), Patric et al.
patent: 1286268 (1918-12-01), Fifield
patent: 2155443 (1939-04-01), Parks et al.
patent: 2332012 (1943-10-01), Rasmussen
patent: 2577775 (1951-12-01), Lemmon et al.
patent: 2685243 (1954-08-01), Cole
patent: 3499495 (1970-03-01), Pust
patent: 4009668 (1977-03-01), Brass et al.
patent: 4044697 (1977-08-01), Swanson

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