UNIT FOR MINING FERROMANGANESE CONCRETIONS FROM OCEAN BOTTOM Russian patent published in 1996 - IPC

FIELD: mining industry; prospecting and mining ferromanganese concretions. SUBSTANCE: unit frame is assembled from articulated members. Mounted on frame are hollow rotors for accumulation of ferromanganese concretions. Rotors are provided with gripping members made in the form of polyethylene flexible rods of varying section; wider portion of rod is secured perpendicularly to surface of rotors. Secured on flexible rods at acute angle to their longitudinal axis are polyethylene flexible branches. Top of each flexible rod is oriented in direction of motion of unit. Secured on members of frame by means of uprights are thrust rods engageable with flexible rod to impart oscillatory motion to flexible rods. Thrust rods are located in parallel with longitudinal axis of each rotor. EFFECT: enhanced reliability. 4 cl, 5 dwg