Planting – Drilling – Lister units
Patent
1979-01-15
1986-06-17
Bratlie, Steven A.
Planting
Drilling
Lister units
111 88, 172239, 172395, 172421, 172538, A01C 506, A01C 720
Patent
active
045949514
ABSTRACT:
The device is mounted on a seeder provided with a hopper, with a seed distributor and with a plowshare or work disk. It comprises two lateral gauge wheels mounted on two bearings borne by two arms pivotably articulated around an axis on the chassis of the seeder. A class 1 lever formed from a rod is extended by two sliding sleeves articulated respectively at its middle around a ball-joint adjustable in position with respect to the chassis and at its two ends around the two other ball-joints fastened to the oscillating support arms. The device is useful in agricultural machines having a plowshare or work disk.
REFERENCES:
patent: 821070 (1906-05-01), Weaver
patent: 1604897 (1926-10-01), Futter
patent: 1875778 (1932-09-01), Taylor
patent: 2191929 (1940-02-01), Strandlund
patent: 2599065 (1952-06-01), Newkirk
patent: 2685243 (1954-08-01), Cole
patent: 3115853 (1963-12-01), Gellner
patent: 3558148 (1971-01-01), Johnson
patent: 3570605 (1971-03-01), Rikli
patent: 4009668 (1977-03-01), Brass et al.
patent: 4135457 (1979-01-01), Willis
Bratlie Steven A.
J. I. Case Company
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