MOUNTED EQUIPMENT FOR LOOSENING HARD GROUND Russian patent published in 1997 - IPC

FIELD: machinery for loosening hard ground. SUBSTANCE: equipment is provided with wedge-shaped ripping tooth as working member and is mounted on base vehicle together with boom, guide rod, wedge-shaped ripper with enclosed hollow, locking-pressing head of guide rod, free-falling striker, spring-loaded double-arm lever. Bore made in striker body connects space in lower part of striker above striking weight with atmosphere through installed throttle valve and non-return valve mounted in parallel. Installed in striker space for possible interaction with arm of double-arm lever arranged in through slot of side wall of enclosed space is spring-loaded striking weight. Mechanism for adjusting height position of striking weight can be made in the form of screw located in striker. Striking weight and mechanism for adjusting its position in height are located coaxially with respect to guide rod. EFFECT: high efficiency. 2 cl, 4 dwg