Patent ID: 9181691
Filing Date: 2015-11-10
Classification: E04B,E04F,F16B,F16L

Abstract:
1. A quick-connect anchor for accepting threaded rod of different diameters once encapsulated by concrete poured over a metal deck, at about a thickness of 3 to 3¼ inches, the anchor comprising: a casing no longer than 2¼ inches attachable to the metal deck, the casing allowing at least a 1 inch concrete layer on top of the encapsulated anchor, the casing having a first end and a second end, a head closing the first end and an opening of a predetermined diameter at the second end, a cavity in the casing extending from the first end to the second end, the casing having a diameter larger than the diameter of the opening at the second end of the casing; a plurality of separate arcuate internally threaded segments captured in the cavity of the casing, each segment adapted for independent axial movement in the casing, each segment having a first end and a second end, the second end of each segment located closest to the open second end of the casing, each segment having at least two different diameter thread portions along its length, a larger diameter thread portion at the second end of each segment, and a smaller diameter thread portion at the first end of each segment; a spring in the cavity of the casing between the head at the closed first end of the casing and the first end of the plurality of arcuate internally threaded segments; and a plate located on the cylindrical casing for holding the casing to the metal deck before concrete is poured, with the open second end of the casing adjacent to an aperture in the metal deck.