Agricultural attachment

Earth working – Processes

Patent

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Details

172134, 172142, 172146, 172149, 172177, 172520, 172640, 172199, 172240, A01B 4902, A01B 2104, A01B 7900

Patent

active

043155472

ABSTRACT:
An attachment for agricultural machines includes a frame having a leading and trailing portion, a first soil-treating unit located at the leading portion of the frame and a second soil-treating unit located at the trailing portion of the frame. Between the first unit and the second unit there is located on the frame wheels for supporting the frame when an agricultural machine provided with the attachment moves along a road. The wheels are displaceable relative to the frame between a first position in which the wheels engage the ground and a second position in which the wheels do not engage the ground. The frame is so coupled to a lifting device of the agricultural machine that, when the wheels are in the second position, the trailing portion of the frame is supported on the ground by the second soil-treating unit.

REFERENCES:
patent: 466771 (1892-01-01), Clark
patent: 1577677 (1926-03-01), Beatty
patent: 1947127 (1934-02-01), Dunham
patent: 2760323 (1956-08-01), Cooper
patent: 3209841 (1965-10-01), Lely et al.
patent: 3213946 (1965-10-01), Carrick
patent: 3590928 (1971-07-01), Mirus
patent: 3777823 (1973-12-01), Holfeld
patent: 4130167 (1978-12-01), Lely
patent: 4180005 (1979-12-01), Zombahlen
John Deere Model "B" Roller Harrow Operators Manual OM-B60-258, 4-1958.

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