Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1978-11-24
1981-06-02
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 63, A01B 3306
Patent
active
042706157
ABSTRACT:
An implement has a row of plough bodies mounted to rotate about upwardly extending axes defined by shafts that are inclined in the normal direction of travel. The plough bodies are flat support members with side edges that taper downwardly. The side edges are bent over parts that releasably mount straight blades and the upper ends of the supports have fastening plate portions bolted to their shafts. A circular protective screen and circular plate interfit at the junction of the shaft and fastening portion of each plough body. The shafts have intermeshed pinions with a central one of the shafts extending into a lower gear box that houses exchangeable pinions. The central shaft mounts one of the pinions that engages a second pinion having a respective shaft that extends through a cover into a second gear box and a gear wheel housed therein. The gear wheel engages a further gear wheel on an input shaft that is connectable to the p.t.o. of a tractor. The pinions can be interchanged by unfastening the cover and removing same together with the second gear box, including both gear wheels. Cutter knives are positioned forward of the plough bodies between the bodies. During operation, the knives cut slices of soil which are cut into lumps by the rotating bodies. The lumps are guided by the support members and ribs thereon so that the lumps are raised, inverted and deposited in a new furrow. Tines at the rear of the plough bodies serve to retain and crumble the soil lumps. Wheels on the implement frame can be vertically adjusted to regulate the working levels of the knives and plough bodies.
REFERENCES:
patent: 28687 (1860-06-01), Pomeroy
patent: 2088141 (1937-07-01), Royston
patent: 3108645 (1963-10-01), Hill
patent: 3111917 (1963-11-01), Dawrs
patent: 3233686 (1966-02-01), Steadman
patent: 3367425 (1968-02-01), Heeren
patent: 3616862 (1971-11-01), Lely
patent: 4148364 (1979-04-01), Scharmann
Johnson Richard J.
Mason William B.
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