PLOUGHSHARE Russian patent published in 2017 - IPC A01B15/04 

FIELD: agriculture.

SUBSTANCE: ploughshare has a base limited in length by the landward edge and the furrow edge, and in width - with a back with a blade, and an overhead retractable bit with the front and rear faces. The front face of the bit is made broken-shaped and consists of two segments: the lower one, located parallel to the landward edge line, and the upper one, located at an angle of 14…17° to the landward edge line. The upper segment is 1.5…1.8 times larger than the lower segment.

EFFECT: reducing the draft resistance of the ploughshare.

1 dwg