Planting – Drilling – Lister units
Patent
1977-09-14
1981-08-25
Bratlie, Steven A.
Planting
Drilling
Lister units
172 40, 172 47, 172 60, A01C 506, A01B 1100
Patent
active
042852846
ABSTRACT:
A soil cultivating implement has a row of pivotable soil working members linked to a transverse beam of the frame and individual eccentrics are connected to the members to raise and lower soil engaging portions thereof. The portions are pivoted so that the rear parts thereof move through greater amplitudes than front parts of the portions. The frame can be supported by ground wheels which in transport position elevate the soil working members above the ground and this can be accomplished with hydraulic assemblies. The front of the frame can have a resilient coupling to a prime mover to reduce shocks induced by the eccentric drives. Dispensing mechanisms can be positioned to the rear of the soil working members to dispense and/or seed the worked ground.
REFERENCES:
patent: 3170421 (1965-02-01), Norris et al.
patent: 3296985 (1967-01-01), Shelton
patent: 3340934 (1967-09-01), Wycoff
patent: 3394764 (1968-07-01), Higley
patent: 3425496 (1969-02-01), Shelton
patent: 3514960 (1970-06-01), Howard
patent: 3559744 (1971-02-01), Olinger
patent: 3770322 (1973-11-01), Cobb et al.
patent: 4006832 (1977-02-01), Auxer et al.
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