Patent ID: 6591534
Filing Date: 2003-07-15
Classification: F41A

Abstract:
A locking interface assembly for adapting the tube of a Long Gun Barrel weapon, said tube comprising a shoulder on said tube, and a non-conforming outer tube diameter, to fit with an otherwise non-compatible mounting receptacle on said weapon, said locking interface assembly comprising:a retaining ring for sliding over the tube, wherein the retaining ring includes a tapered end; and wherein the retaining ring faces a muzzle end of said tube, and; a coupling subassembly including: a bearing having an internal shoulder on one end thereof, said bearing including internal threads, and a thrust nut mounted on said bearing for sliding over the tube and for engaging the tube shoulder to prevent said bearing from rotating, and; a locking mechanism for engaging the tube to capture the bearing against the tube shoulder and to prevent the bearing from moving with respect to the tube shoulder; and an adapter for engaging the internal shoulder of the bearing, said adapter having a plurality of serrated fingers and a tapered section, and wherein said adapter is fitted tightly into a bore formed in the bearing and is pressed against the tube, and further wherein the adapter includes two half sections that interfit to form an integral structure, and; wherein the retaining ring engages the internal threads of the bearing to produce an axial motion that drives the tapered end of the retaining ring across said taper of said adapter which matches said tapered end of the retaining ring.