Patent ID: 6581996
Filing Date: 2003-06-24
Classification: B66C,E04G

Abstract:
A lifting system for use in a pre-cast panel having an end surface which includes a connection recess formed therein, the connection recess defined by a continuous surface having sides, comprising:an anchor-lifting device permanently suspended in the pre-cast panel within the connection recess, said anchor-lifting device including a planar base member and one or more connection pins positioned transversely through said planar base member; and a connecting apparatus for releasable engagement with said one or more connection pins to lift the pre-cast panel, said connecting apparatus comprised of a lifting hook, said lifting hook comprised of two laterally-separated hooks, each of said laterally-separated hooks joined together by a shared coupler and a shared stop plate, said shared coupler having an inside coupler surface and an outside coupler surface, a pair of ends and an interval cavity extending therebetween, each of said pair of ends having a flared transitional surface extending between said inside coupler surface and said outside coupler surface, and further, said lifting hook having a lifting arm which defines an engagement channel, said engagement channel receiving one of said one or more connection pins when engaged therewith, said lifting arm holding said one or more connection pins during a lifting of the pre-cast panel.