FACE SHOVEL LOADER Russian patent published in 1997 - IPC

FIELD: transport engineering; lifting and transportation facilities. SUBSTANCE: four-link boom is mounted on full swing excavator loader with truck. Boom provides plane parallel movement of load gripping member in form of face shovel automatically holding it in preset position at different heights and at changing boom radius. At change of boom radius, with load taken either at lower level or upper level and fixed height of jibs, horizontal displacement of bucket takes place and stable position of bucket relative to loader pillar and earth level is provided. EFFECT: enlarged operating capabilities. 2 cl, 1 dwg