US Patent 10480696 Locking collar quick union connection

A locking collar quick union connection comprises a split ring and a locking collar sub assembly. The locking collar sub assembly includes a collar, a locking ring, and a locking screw. The locking ring includes outer threads that engage inner threads formed on a larger inner diameter portion of the collar. The split ring includes outer threads that engage inner threads formed on a smaller inner diameter portion of the collar. The locking screw rotationally locks the locking ring to the locking collar.