| I.P Abstract & Summary |
Disclosed herein is a swing assistance device for a brush cutter. The swing assistance device includes: a bracket; a coupling unit disposed on the top surface of the bracket, and coupled to a shaft at an inclined angle; left and right extension rods configured such that the outer ends thereof are located on both sides of a blade with the inner ends thereof coupled to both sides of the bracket; left and right rotation parts rotatably coupled to the outer ends of the left and right extension rods, and configured to, when the shaft swings in left-right directions, rotate while drawing arcs and assist in the swing operation; and a plurality of rotation rollers rotatably coupled to the outer circumference of each of the left and right rotation parts, and configured to, when the shaft swings in the left-right directions, rotate and assist in the swing operation. |
