HYDRAULIC EXCAVATOR EQUIPMENT Russian patent published in 2009 - IPC E02F3/28 

FIELD: construction.

SUBSTANCE: hydraulic excavator equipment includes handle, turning mechanism consisting of pivoted levers, control rod and control hydraulic cylinder, ripper tip and two loose disc blades. The equipment is provided with additional levers each one having hinge connection with handle by one of their ends. The other end is connected with turning mechanism control rod and disc blades by means of common axle. The disc blades are installed at both sides of additional levers toward ripper tip. The latter is fixed on the opposite side of the handle relative to disc blades.

EFFECT: improved effectiveness of actuator due to more stable jamming of asphalt concrete layer during damage.

4 dwg