Earth working – Diverse tools – Rolling and non-rolling
Patent
1986-03-13
1988-02-23
Johnson, Richard J.
Earth working
Diverse tools
Rolling and non-rolling
172698, 172192, A01B 1312, A01B 4902
Patent
active
047264284
ABSTRACT:
A minimum upper ground layer and stubble disturbance tillage unit is provided including a pair of dependingly support opposite side plates between whose lower end a horizontally elongated blade assembly is supported with the blade assembly including front and rear marginal portions and disposed in an inclined position with the front marginal portion lowermost and the rear marginal portion uppermost. The blade assembly includes longitudinally spaced V-shaped cutting edges disposed along the forward marginal edge thereof and disposed in a forwardly and downwardly inclined plane generally paralleling the blade assembly. The V-shaped cutting edges are positioned with their apex portions forwardmost and define included angles of graeter than 90.degree.. Rotary members are disposed rearward of the blade assembly and include upper portions spaced above the upper rear marginal edge of the blade assembly. The rotary members are radially aligned with the junctures between pair of adjacent V-shaped blades.
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