Patent ID: 9724757
Date: 2017-08-08
CPC Classifications: B22D,B66C

Claim:
1. A lifting device for lifting and positioning a ladle barrel ring into ladle, said ring defining a generally cylindrical central cavity and having spaced-apart openings formed in an inner surface thereof communicating with said central cavity, said lifting device comprised of: a rigid frame from which a central post extends, said central post defining a central axis of said frame, said central post having connection means connectable to a device capable of lifting and moving said frame, said frame being comprised of a plurality of leg portions extending outwardly from said central axis, said leg portions being rigidly joined at said central axis of said frame, said leg portions being in registry with said spaced-apart openings in said inner surface of said ring when said frame is disposed within said central cavity, each of said leg portions being comprised of a tube defining a tubular opening therein; and movable lifter bars respectively associated with and dimensioned to fit within said tubular openings, each of said lifter bars being movable relative to one of said leg portions associated with one of said tubular openings, each of said lifter bars being movable between a retracted position within said one of said tubular openings and an extended position wherein said lifter bar extends through and out of said one of the tubular openings away from said central axis, wherein said frame is positionable within said central cavity of said barrel ring when said lifter bars are in said retracted position; and wherein said lifter bars respectively extend into said openings in said ring when said lifter bars are in said extended position.