DEVICE FOR RAISING SUNKEN OBJECT Russian patent published in 1997 - IPC

FIELD: devices for raising sunken objects. SUBSTANCE: device is provided with movable block and fixed block with cargo rope passed between pulleys, double-prong hook mounted on movable block, raising slings with eye-splices for placing them on hook and working pendants detachably connected with eye-splices. Rollers for working pendants are detachably mounted on end-piece of hook which is provided with detachable heads copying the shape of hook prongs and having grooves for respective working pendants located on outer surface of these heads on side of rounding-off of hook prong. EFFECT: enhanced reliability. 4 dwg