GRUBBER Russian patent published in 2022 - IPC A01G23/06 

FIELD: forestry engineering.

SUBSTANCE: invention relates to forestry engineering, in particular to the grubber. The grubber includes a supporting frame on which the hinge mechanism and support wheels are located, a pruning bracket, an additional frame with a rotor controlled by a remote hydraulic cylinder, which has the ability to swing on a support hinge located motionless on the axis of the supporting frame. The posts of the pruning bracket are connected to the supporting frame pivotally and are made in the form of double-shouldered hydraulic levers. The pruning bracket is made wedge-shaped, in the form of sawtooth knives symmetrically arranged at an angle to the longitudinal axis of the supporting frame and providing non-stop pruning of the root system of the stump.

EFFECT: invention contributes to improving the productivity and operational reliability of the grubber.

1 cl, 2 dwg