SCRAPER Russian patent published in 2003 - IPC

FIELD: earth-moving machinery. SUBSTANCE: machines operating with trailing and semi-trailing earth-moving equipment. Proposed scraper contains prime-mover with towing hook, fifth-wheel coupler and bucket with cross beam. Fifth-wheel coupler mounted on frame of prime-mover in longitudinal guides is installed for displacement along axis of prime-mover by means of hydraulic cylinder furnished with longitudinal position stops. Towing loop is installed on cross beam of bucket. Said hinge-mounted loop is held in working position by flexible members. Loop interacts with towing hook of prime-mover. EFFECT: improved reliability in operation. 7 dwg