BRUSHCUTTER ROTOR Russian patent published in 2017 - IPC A01G23/00 

FIELD: agriculture.

SUBSTANCE: brushcutter rotor contains drive 1 with shaft 2, top 3 and bottom 4 disks. The brushcutter rotor is made of two parts. The inner part of rotor contains four horizontal knives 5, located at an equal distance from each other and having an angle of cutting 30°. The outer part of the rotor is a series of cutting knives mounted on a vertical shaft by means of elastic flexible bonds made in the form of a closed cable 7, on each of which additional tetrahedral blades are placed 8 with rubber spacers placed between them to avoid chipping when they come into contact with each other, a spring 10, tightly pressed against each other through the sleeve 9 by, installed in the guide cup 11 pivotally attached by means of the axles 12 in the eyes of brackets 13 rigidly connected to the driving shaft. The cutting knife is made with a slotted hole at the end of the loop. One end of cable is fixed with the help of a finger, and the other end with the help of abutment 16.

EFFECT: high productivity, reliability and intensity of vegetation grinding.

5 dwg