Patent ID: 8267628

Claim:
A threaded anchor for concrete metal deck floors consisting of: an elongate hollow sleeve having internal threads in at least a top portion thereof and a flared top end forming several outwardly-extending fingers, the fingers having distal ends that contact a lower surface of the metal deck floor when the threaded anchor is deployed in the metal deck floor, the elongate hollow sleeve further including a bottom end; a threaded bolt having a head end and a shaft having external threads mating with the internal threads of the elongate hollow sleeve, a distal end of the shaft including three internally-threaded portions having different diameters for mating with threaded support rods to support varying loads; and a nut having threads that mate with the external threads on the bolt, the nut having a lower surface that contacts an upper surface of the metal deck floor when the threaded anchor is deployed in the metal deck floor.