Rolling cultivator shield

Details Rolling cultivator shield Rolling cultivator shield

1997-04-01

1998-10-06

Carone, Michael J.

Earth working

With guard, shield or plant diverter

Fender for deflected earth

172508, A01B 1700

Patent

active

058163409

ABSTRACT:
A large diameter, short toothed rolling shield fabricated by vacuum forming talc filled polyethylene sheet having a smooth surface and sufficient flexibility to resist soil build-up in damp conditions. Preferably the diameter of the shield is substantially greater than twenty inches and on the order of twenty four inches and includes teeth uniformly spaced around the periphery, each tooth having a length less than approximately ten percent of the shield radius. A circular rib near the center of the shield and radial reinforcing ribs extending from the circular rib on the convex side of the shield to the base of alternating teeth provide stiffness and strength. The concave tool side of the shield is devoid of protrusions to reduce churning of thrown soil.

REFERENCES:
patent: 4142589 (1979-03-01), Schlagenhauf
patent: 4485878 (1984-12-01), Uken
patent: 4591002 (1986-05-01), Meinett
patent: 5133414 (1992-07-01), Youngkrantz
patent: 5222562 (1993-06-01), Roigen
patent: 5303780 (1994-04-01), Evenson
Deere & Company brochure entitled "Cultivators, Rotary Hoes and Sprayers", A-11-85-10, front cover and p. 37, printed in the U.S., Oct., 1985.
Deere & Company brochure entitled "Cultivators and Hoes", DKA136, front cover and p. 6, printed in the U.S., Oct., 1992.

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