Planting – Drilling – Hill-planting machines
Patent
1975-12-23
1977-11-15
Marlo, George J.
Planting
Drilling
Hill-planting machines
172 59, 172 68, 172395, 111 55, 172438, 111 65, 172421, A01B 3300
Patent
active
040580687
ABSTRACT:
A cultivator or rotary harrow has soil working members rotatable about upwardly extending shafts journalled in a frame portion that extends transverse to the direction of travel. The front of the frame is supported by a coupling attached to a prime mover and the rear of the implement is supported by two ground wheels. One wheel is located at each lateral side of the frame portion at the rear thereof and a bracket is pivoted to the frame with rearwardly extending arms connected to the wheel axle mountings. An extensible connecting member interconnects the axle mountings to the frame above the bracket so that the wheels can be vertically displaced by shortening or lengthening the connecting members. A sowing mechanism, including a feed box, is mounted to the rear of the soil working members with delivery tubes leading to shoes. A flow control mechanism is driven by a transmission from the wheel mountings and the shoes can be raised or lowered by a linkage and control lever.
REFERENCES:
patent: 3616862 (1971-11-01), van der Lely
patent: 3826314 (1974-07-01), VAN DER Lely et al.
patent: 3899029 (1975-08-01), VAN DER Lely et al.
patent: 3951213 (1976-04-01), VAN DER Lely
Bom Cornelis Johannes Gerardus
van der Lely Ary
C. van der Lely N. V.
Marlo George J.
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