US 12,349,611 B2
Harrow device and harrow disc
Marcelo Gabriel Montenegro, Buenos Aires (AR)
Assigned to Valentina Montenegro, Buenos Aires (AR); Camila Montenegro, Buenos Aires (AR); and Gonzalo Montenegro, Buenos Aires (AR)
Filed by Valentina Montenegro, Buenos Aires (AR); Camila Montenegro, C.A.B.A. (AR); and Gonzalo Montenegro, Buenos Aires (AR)
Filed on Sep. 26, 2022, as Appl. No. 17/952,926.
Prior Publication US 2024/0099172 A1, Mar. 28, 2024
Int. Cl. A01B 21/08 (2006.01); A01B 63/16 (2006.01)
CPC A01B 21/083 (2013.01) [A01B 63/16 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A harrow device for the conditioning and leveling of sowing soils, the harrow device comprising:
a frame which has a front pulling part;
wheels mounted on said frame; and
a plurality of harrow means arranged below the frame,
wherein
each harrow means of the plurality of harrow means comprises:
at least a plurality of discs removably connected to each other by means of connecting members comprising at least one base plate removably fixed to each of said discs and joint means fixed to the base plate, such that the joint means of two adjacent discs are articulately connected to each other; and
at least one tensioning means mounted on said frame and connected to said harrow means,
said base plate comprises a central disc-shaped plate that has at least one support and wedge area against the disc, said support and wedge area being in turn provided with respective holes that are through and match with fixing holes of the disc, and
said joint means comprise a pair of forks arranged on each side of the central disc-shaped plate, and the forks extend transversely to the central disc-shaped plate and axially with respect to each other, and at least one crosshead is arranged between each pair of opposing forks of adjacent discs, jointly defining a mechanical link between the disc-base plate assemblies and forming a line of harrow discs that rotate with respect to the frame.