Earth working – With drive means for tool or cleaner – Specific propelling means
Patent
1976-09-30
1978-11-07
Burr, Edgar S.
Earth working
With drive means for tool or cleaner
Specific propelling means
111 1, 172198, 172276, 172292, 180 1F, 180 53FE, 180 64M, A01B 3308, A01B 63108, B60K 900
Patent
active
041240790
ABSTRACT:
A self-propelled tiller-planter including a motor providing hydraulic motive power for various operating mechanisms. A tiller pushed by said planter and hydraulic means is provided for lifting and lowering the tiller assembly into inoperative position above the ground and into operative tilling position in contact with the ground. A pivoting cradle is provided to which the motor is fixed, the cradle rocking simultaneously with the up and down movements of the tiller insuring that the shaft to the tiller assembly is in alignment with the motor. Since the tiller is pushed at the front of the planter the soil being worked thereby may be packed down by the wheels which follow the tiller and means are provided at the rear of the rear wheels of the planter to rework the soil for the planting operation.
REFERENCES:
patent: 1422967 (1922-07-01), Griswold et al.
patent: 2035150 (1936-03-01), Dufour
patent: 2058964 (1936-10-01), Dufour
patent: 2066610 (1937-01-01), Carlin
patent: 2277880 (1942-03-01), Noble
patent: 2429711 (1947-10-01), DuFour
patent: 2455147 (1948-11-01), Traver
patent: 2556072 (1951-06-01), Dewey
patent: 3128729 (1964-04-01), Henson
patent: 3205642 (1965-09-01), Smith
patent: 3810513 (1974-05-01), Spiller et al.
Bratlie Steven A.
Burr Edgar S.
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