Rotary harrows

Details Rotary harrows Rotary harrows

1976-06-17

1977-11-15

Coven, Edward M.

Earth working

With drive means for tool or cleaner

Plural driven tools

172111, 172112, A01B 3306

Patent

active

040581683

ABSTRACT:
A rotary harrow has a frame for attachment to a prime mover, a portion of the frame having generally vertical shafts with soil-working members journalled therein and arranged side-by-side in a row that extends transverse to the direction of travel. Each soil-working member includes a generally horizontal support, the inner end of which is connected to its respective shaft and the outer end extends radially from the shaft with a tine holder for retaining a single upright tine. Adjacent soil-working members are driven in opposite directions and the working members can be arranged in groups which are positioned out of phase with respect to one another. A screening member is connected to the support to extend in the direction of rotation and protect the upper part of the soil-working members, including its

REFERENCES:
patent: 3774689 (1973-11-01), Lely et al.
patent: 3809166 (1974-05-01), Lely et al.

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