EXCAVATOR BUCKET HYDRAULIC GRAB Russian patent published in 1995 - IPC

FIELD: road construction; civil engineering. SUBSTANCE: device has a box-like bucket mounted on a handle and having lateral plates and bottom, a jaw having two lateral plates and a wall, a hinge to mount the bucket, pins to attach the jaws and hydraulic cylinder enabling the bucket to perform rotation relative to the hinge of its fixture. The jaw is attached to the handle with pins, its width being not greater than the distance between the internal surfaces of the bucket lateral walls. EFFECT: enhanced effectiveness in performing earth-moving works to prepare ground surface for constructing roads and road guard rails. 4 dwg