Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1974-03-14
1976-01-13
Pellegrino, Stephen C.
Earth working
With drive means for tool or cleaner
With non-driven tool
172196, 172443, A01B 3316, A01B 4902
Patent
active
039318583
ABSTRACT:
A tractor-mounted cultivator is combined with a frame on which fixed cultivating tools are mounted. The fixed tools extend behind the rotary cultivator to break up ground below the level of rotary cultivation. The frame is releasably attached to the rotary cultivator and the attachment means are such that the frame can be used independently by direct attachment to the tractor three-point linkage.
REFERENCES:
patent: 1880113 (1932-09-01), Smith
patent: 2445145 (1948-07-01), Love
patent: 2539136 (1951-01-01), Hite
patent: 3002574 (1961-10-01), Padrick
patent: 3185220 (1965-05-01), Tanque
patent: 3190365 (1965-06-01), Thompson
patent: 3698485 (1972-10-01), Trimpe
Howard Machinery Limited
Pellegrino Stephen C.
LandOfFree
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