US Patent 8403599 Apparatus for lifting heavy structures

An apparatus for lifting, stabilizing or enhancing load capacity of heavy objects, such as a building foundation and the like, is disclosed in which a bracket attaches to the object to be lifted and the bracket is then lifted using the apparatus which is supported by a pier or pile on an object or surface suitable for withstanding the weight of the object being lifted. The bracket includes side plates with interlocking side track pieces fitted therein to provide adequate support when under strain and also to assist in guiding the bracket in close cooperation with the pier during the lifting process.