Trash cleaning structure for a furrow opening device

Details Trash cleaning structure for a furrow opening device Trash cleaning structure for a furrow opening device

1997-07-30

1999-03-09

Batson, Victor

Planting

Drilling

Including trash control accessory

111157, 111143, 1726245, 172604, A01B 4904

Patent

active

058786783

ABSTRACT:
A pair of angled disks supported by a four bar linkage from the upper end of the opener drawbar assembly clears trash from a narrow area in front of the opener. The four bar linkage has a virtual center located on or close to the center of the opener disk for good cleaning wheel tracking and for permitting the clearing disks to be spaced closely to the opener disk without interference between the disks. The clearing disks can rock vertically to follow ground contour and prevent excessive digging and soil movement. Shallow teeth on the disks also reduce soil penetration and soil disturbance.

REFERENCES:
patent: 5076180 (1991-12-01), Schneider
patent: 5095832 (1992-03-01), Rumbaugh
patent: 5152349 (1992-10-01), Roden
patent: 5255617 (1993-10-01), Williams et al.
patent: 5279236 (1994-01-01), Truax
patent: 5341754 (1994-08-01), Winterton
patent: 5349911 (1994-09-01), Holst et al.
patent: 5461995 (1995-10-01), Winterton
patent: 5555825 (1996-09-01), Geddes
patent: 5657707 (1997-08-01), Dresher et al.
patent: 5660126 (1997-08-01), Freed et al.
Dawn 1994 Catalog, p. 5, Jan. 1994.

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