A lifting system for a concrete component comprises a void former incorporated into the component during casting and which provides within the component a void which receives a locking pin of a lifting anchor assembly which is locked within the void by rotation of a locking pin. The lifting anchor assembly has a visual indicator to indicate when the pin is in its locked condition within the void, and a pivotal lifting shackle of the assembly is prevented from movement into a position in which lifting can take place until the pin is in its locked condition. Preferably a base of the void former is configured to retain components of a jacking system by which a concrete slab used for road repair can be jacked into a level configuration with the remainder of the roadway when it has been positioned by use of the lifting system.


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    Title :

    Lifting anchor for concrete components



    Publication date :

    2021-05-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E04B Allgemeine Baukonstruktionen , GENERAL BUILDING CONSTRUCTIONS / B66C Krane , CRANES / E01C Bau von Straßen, Sportplätzen oder dgl., Decken dafür , CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE / E04G SCAFFOLDING , Baugerüste



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