Lifting of concrete components

(10) US 2017/0226702 Al

(22) 06.08.2015

(43) 10.08.2017

(57) 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 privotal lifting shackle of the assembly is prevented from movement into a position in which lifting can take place until the pin is in...

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