GRADER OF CUT WOOD AND SHRUBS Russian patent published in 2008 - IPC A01G23/06 

FIELD: mechanic.

SUBSTANCE: grader contains girder, pressing comb, hydrocylinder of the pressing comb gearing, vertical pillar, in the lower part of which picking teeth are fixed freely; fixed in the vertical plane by thrusts and connected with the vertical pillar using springs. Each picking tooth is equipped with a skid and is fixed freely in the forward part of the copping head. Inside of each picking tooth, an injecting cylinder is fixed, equipped with a pullback spring installed inside of its working cavity. At the end of the stock of the injecting cylinder, a hydroaccumulator is fixed rigidly, the working cavity of which is connected to the working cavity of the injecting cylinder by an elastic pipeline. The shell of the hydroaccumulator is connected to the copping head of the picking tooth by an elastic connection. On the forward surface of the copping head, an arboricide mixture sprinkler is fixed, which is connected to a crossover valve by an elastic pipeline connected to the working cavity of the hydroaccumulator. On the girder, an arboricide mixture tank is fixed, which is connected to the crossover valve by an elastic pipeline connected with the working cavity of the injecting cylinder.

EFFECT: expansion of grader functionality due to tree stump treatment with arboricide mixture.

5 dwg