Earth working – With drive means for tool or cleaner – With non-driven tool
Patent
1976-03-30
1978-09-12
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
With non-driven tool
172 96, 172123, 172708, A01B 3302
Patent
active
041130278
ABSTRACT:
A cultivating implement has an elongated, rotatable cultivating member that is driven to rotate about a horizontal axis. The cultivating member has a central support that defines its axis of rotation and the support is polygonal in cross-section with tines resiliently fastened to each side along the length of the support. Each tine has an outer, arcuately curved portion that is fastened to an inner portion through a coil having turns located to the rear and adjacent a succeeding side relative to the direction of its rotation. The outer portion has a replaceable blade at its outer free end and different blades can be secured to that free end. A further row of fixed but resilient tines is connected to the frame in front of the rotatable member and an additional row of resilient tines is pivoted to the frame, at the rear of the rotatable member.
REFERENCES:
patent: 464561 (1891-12-01), Gasser
patent: 2214702 (1940-09-01), Seaman
patent: 2438707 (1948-03-01), Kropp
patent: 2465488 (1949-03-01), Sears
patent: 2761267 (1956-09-01), Hill
patent: 3545549 (1970-12-01), Lely
patent: 3667551 (1972-06-01), Lely et al.
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