Planting apparatus for a grain drill

Details Planting apparatus for a grain drill Planting apparatus for a grain drill

1979-05-29

1981-06-16

Feyrer, James R.

Planting

Drilling

Lister units

111 88, A01C 506

Patent

active

042730570

ABSTRACT:
An apparatus that includes a drawbar, a pair of furrow forming disks rotatably mounted on the drawbar, a seed tube located between the disks for depositing seed in the furrow, a press gauge wheel assembly mounted on the drawbar rearward of the disks for closing the furrow and compacting the soil on both sides of the seed, and also including adjustment structure for varying the height of the press wheel relative to the drawbar for controlling furrow depth in response to pressure exerted on the apparatus.

REFERENCES:
patent: 345403 (1886-07-01), Arnett
patent: 1636620 (1927-07-01), Berry
patent: 1879787 (1932-09-01), Bohmker
patent: 1902924 (1933-03-01), Wamhoff et al.
patent: 2554061 (1951-05-01), Sandberg
patent: 2611331 (1952-09-01), O'Neil
patent: 3060873 (1962-10-01), Powers
patent: 3220368 (1965-11-01), Gandrup
patent: 3626877 (1971-12-01), Hansen et al.
patent: 3732975 (1956-01-01), Balzer
patent: 4116140 (1978-09-01), Anderson et al.

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