Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1980-11-18
1984-01-03
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172117, A01B 3306
Patent
active
044237863
ABSTRACT:
A soil cultivating machine attachment has a row of single tined rotary members. Each rotary member includes a shaft journalled in a hollow box-like frame portion and a lower tine has a holder bolted to the lower end of the shaft. The tine has an operative portion that is curved from its holder so that the majority of that portion co-extends with the center line of the shaft. Each cultivating member can have a single tine that is fastened to the lower shaft end and a supporting part on that end has a face that cooperates with an opposing face of a fastening tine part and a centering member ensures proper fit. The members are removable as separate units together with their bearings, housings, gears and connections, from the top of the hollow frame portion or at least from above the bottom of the frame portion. The shafts are angled forwardly and the members with hollow frame portion, are pivoted to the remainder of the frame through linkages to displace vertically against spring bias while overlapping paths are worked. A scraping member on a parallelogram linkage is mounted on the frame in advance of the members and a screen or screens on the bottom of the frame portion protect the tine-shaft connections. A roller is mounted to the rear of the cultivating members on arms that can adjust the roller relative to the members both vertically and horizontally. The row of members and hollow frame portion can be angled at different positions through the linkages.
REFERENCES:
patent: 2088141 (1937-07-01), Royston
patent: 2741173 (1956-04-01), White
patent: 3616862 (1971-11-01), Lely
patent: 3667551 (1972-06-01), Lely
patent: 4002209 (1977-01-01), Lely
patent: 4043401 (1977-08-01), Lely
patent: 4124078 (1978-11-01), Lely et al.
Albright Penrose Lucas
Johnson Richard J.
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