Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1975-09-16
1977-07-19
Marlo, George J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 59, 172709, 172706, 172253, 172264, A01B 3306, A01B 6104
Patent
active
040363031
ABSTRACT:
A soil-cultivating machine has an elongated frame that extends horizontally and transverse to the direction of travel. A row of adjacent soil-working members are mounted on corresponding upwardly extending shafts which are geared to a common drive shaft and the members are driven in relative opposite directions to work a broad path of soil. Alternate soil-working members are slideable along beams of the frame so that debris does not jam the drive connections. The drive to the soil-working members includes an imput shaft to a gear box, which can comprise a reduction gear, and an elongated drive shaft that extends parallel to the frame and along which the slideable members are displaceable. The corresponding gears to the working members includes a pinion transmission on the drive shaft which is slideable within limits defined by an elongated key arrangement. Compression springs bias each slideable working member to a normal central position.
REFERENCES:
patent: RE25237 (1962-09-01), Heeren
patent: 518363 (1894-04-01), Brookens
patent: 696262 (1902-03-01), Palmer
patent: 1656838 (1928-01-01), Smith
patent: 2521417 (1950-09-01), Sefcovic
patent: 2725811 (1955-12-01), Hollis
patent: 3367425 (1968-02-01), Heeren
patent: 3616862 (1971-11-01), VAN DER Lely
C. van der Lely N. V.
Marlo George J.
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