A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
97/67, 97/71.1
A01B 19/00 (2006.01) A01B 19/06 (2006.01)
Patent
CA 1237596
ABSTRACT OF THE DISCLOSURE A vibrating harrow comprising a supporting frame consisting of at least two harrow beams arranged one behind the other, extending at right angles to the direction of operative travel, and equipped with soil cultivating tines, the beams being arranged upon the supporting frame by means of rockers and being caused to move back and forth, at right angles to the direction of travel, when the harrow is in operation, by a mechanism taking its power from an agricultural tracter or production machine. In order to provide very simple and effective suspension of the soil cultivating tools, in the direction of operative travel and in the opposite direction, if they encounter obstacles in the ground, harrow-beams are in the form of U-shaped longitudinal supports, the open sides thereof facing away from the direction of travel. The said rockers are fitted to the upper arms of longitudinal supports, while the soil cultivating tines are fitted to the lower arms. Furthermore, each of the said longitudinal supports is open at the rear end thereof substantially over its entire length.
467494
Higgen Reinhard
Amazonen-Werke H. Dreyer G.m.b.h. & Co. Kg
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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