Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1976-01-22
1977-05-31
Burr, Edgar S.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
111 3, 111 85, 172 72, 172146, A01C 1102, A01B 4902
Patent
active
040262251
ABSTRACT:
A horizontal frame coupled to a tractor is provided with a single disc mounted for rotation about a horizontal axis on the center line of the frame and driven by the power take off shaft of a tractor with the disc carrying a plurality of cutter teeth which are curved radially and whose outboard ends are bent alternately in the opposite axial direction for loosening the soil in front of a pair of discs mounted on either side of a coulter. A pair of soil guide plates are positioned on each side of the trench being dug and behind the coulter, converging plates mounted to the frame and extending vertically above the plane of the coulter and the soil guide plates and converging behind the guide plates, fill in the trench while rollers mounted for rotation about their axis on either side of the center line of the coulter and to the rear of the converging plates press the soil of the filled in trench in the direction of the trench center line.
REFERENCES:
patent: 1972281 (1934-09-01), Walling
patent: 3643611 (1972-02-01), Owens et al.
University of Wisconsin, Tree Planter, 111/3, 6-52, 9 Pictures, 6 Numbered No. 26967-C, No. 26968-C, No. 26969-C, No. 26970-C, No. 27,543-C, No. 27544-C, Pictures taken in 1943 and 1944.
Bratlie Steven A.
Burr Edgar S.
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