EQUIPMENT OF HYDRAULIC EXCAVATOR Russian patent published in 2013 - IPC E02F3/28 

FIELD: construction.

SUBSTANCE: equipment of a hydraulic excavator comprises a handle, a rotary lever and a traction rod with a control hydraulic cylinder, a ripping cog and two freely rotating disc knives. The ripping cog is hingedly connected to the handle and the hydraulic control cylinder with a rotary lever by means of a traction rod, and disc knives are fixed on one axis with a hinged joint of handle connection with the ripping cog, at its both sides symmetrically, at the same time on the rear side of the handle, between disc knives, there is a canopy fixed equal in width to the front sheet and a tip of the ripping cog.

EFFECT: increased efficiency.

3 dwg