Earth working – With drive means for tool or cleaner – Specific propelling means
Patent
1975-12-15
1978-03-07
Shapiro, Paul E.
Earth working
With drive means for tool or cleaner
Specific propelling means
172400, 172427, 172 43, 172 49, 172 51, 172 59, 172106, 172121, 172354, A01B 3300
Patent
active
040774775
ABSTRACT:
According to this invention there is provided a soil cultivating implement comprising a plurality of downwardly extending tines arranged in a transverse row and rotatable ground engaging members that are located in front of and behind the row of tines with respect to the intended direction of operative travel of the implement, at least one of the rotatable ground engaging members being in the form of a roller which is mechanically driven during operation, said roller being disposed to the rear of said row of downwardly extending tines and comprising a number of longitudinal elements which extend in the direction of the axis of rotation of the said roller.
REFERENCES:
patent: 704822 (1902-07-01), Gooing
patent: 1506042 (1924-08-01), Bauer
patent: 2485057 (1949-10-01), McCormick
patent: 3220488 (1965-11-01), Becker
patent: 3616862 (1971-11-01), VAN DER Lely
patent: 3774688 (1973-11-01), Lely et al.
van der Lely Ary
van der Lely Cornelis
C. van der Lely N.V.
Shapiro Paul E.
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