Patent ID: 7278882

Claim:
A cable connector comprising a tubular casing, said tubular casing having a first end, a second end, an axial through hole axially extending through said first end and said second end, and a neck axially forwardly extending from said first end; a locknut rotatably coupled to said neck of said tubular casing, said locknut having an inner thread for fastening to an external device, a coupling hole disposed at one end of said inner thread and coupled to said neck of said tubular casing, said coupling hole having an inner diameter smaller than the inner diameter of said locknut and approximately equal to the outer diameter of said neck; an inner tube inserted into said locknut and said tubular casing, said inner tube having an axial through hole extending through two distal ends thereof, a stop flange extended around the periphery of one end thereof and stopped against said neck of said tubular casing, and a stretching portion formed on the periphery thereof adjacent to said stop flange and stopped against an inside wall of said neck of said tubular casing to force said neck into friction engagement with an inside wall of said locknut; and a collar coupled to the second end of said tubular casing and forcible onto said tubular casing toward the first end of said tubular casing by an external push force; wherein said stretching portion of said inner tube is a sloping surface.