Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1974-10-29
1976-10-05
Marlo, George J.
Earth working
With drive means for tool or cleaner
With non-driven tool
172 71, 172 78, 172 59, 172169, 172421, 172532, 172599, 172552, A01B 4902, A01B 700
Patent
active
039839435
ABSTRACT:
A combination implement has a leading cultivator with fixed tines and a rear rotary harrow with driven soil working tined members. The cultivator has side ground wheels with vertical adjusting means that controls the working depths of the fixed tines. The harrow has a trailing roller that is interconnected to the harrow frame with arms that also have an adjustment feature so that the working depths of the harrow's tined members can be regulated. The cultivator and harrow are linked to one another by a parallelogram linkage so that they can be disconnected from one another and individually connected to the three point lift of a prime mover. When the combination is assembled, a suspended drive shaft of the harrow's driving system is passed through the cultivator and connected to the p.t.o. of the prime mover.
REFERENCES:
patent: 46025 (1865-01-01), Reynolds et al.
patent: 3616862 (1971-11-01), VAN DER Lely
patent: 3821989 (1974-07-01), VAN DER Lely et al.
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