Disc scraping apparatus

Details Disc scraping apparatus Disc scraping apparatus

1975-11-24

1977-07-12

Burr, Edgar S.

Planting

Drilling

Lister units

111 1, 172566, A01C 500

Patent

active

040346889

ABSTRACT:
A disc scraping apparatus in combination with a disc assembly including a pair of elongated scraping blades having formed upon their lower portion a scraping edge and positioned between a pair of rotating discs. The scraping blades are held apart with the scraping edge positioned against the discs by a biasing unit which is positioned midway through their length. A bracket unit is pivotably fastened to the scraping blades and securely coupled to the planter apparatus and provides for positioning of the disc scraping apparatus in proper alignment with the discs.

REFERENCES:
patent: 624117 (1899-05-01), Stephenson
patent: 718825 (1903-01-01), Davis
patent: 845425 (1907-02-01), Livesay
patent: 1203156 (1916-10-01), Sturrock
patent: 1204306 (1916-11-01), Offerman
patent: 1264970 (1918-05-01), Pfeifer
patent: 3886875 (1975-06-01), Ernst

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