Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1978-08-08
1980-11-11
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 72, A01B 3306
Patent
active
042327466
ABSTRACT:
A cultivating implement has rotatable soil working members that are driven about upwardly extending axes to work overlapping paths of soil. The cultivating members have downwardly extending tines. Neighboring members cooperate and are driven to turn in relative opposite directions. At the rear of the cultivating members, a beam with soil distributing members is positioned near the ground level to receive soil from cooperating members and distribute same laterally. The beam and distributing members can pivot against spring opposition to deflect rearward and avoid an obstacle.
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patent: 3684029 (1972-08-01), Clover
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patent: 3774689 (1973-11-01), Lely et al.
patent: 3783948 (1974-01-01), Lely et al.
patent: 3930542 (1976-01-01), Lely et al.
patent: 4003437 (1977-01-01), Lely
patent: 4018170 (1977-04-01), Lely et al.
patent: 4044841 (1977-08-01), Smith
patent: 4088083 (1978-05-01), Dail
Johnson Richard J.
Mason William B.
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