Patent ID: 9587777
Date: 2017-03-07
CPC Classifications: F16L

Claim:
1. A nurse tank coupling assembly, comprising: a fitting having one end connected to a supply of anhydrous ammonia, and a second end having a connector profile; a nipple having a first end connected to said connector profile, and sealing engaging with said connector profile, said nipple having a grip profile disposed exteriorly thereon, and a second end disposed distal from said first end said grip profile disposed between said first and said second end; a flow nozzle for engaging with said second end of said nipple; a seal element extending between said second end of said nipple and said flow nozzle, and sealingly engaging there-between; a nozzle coupling extending over said flow nozzle and threadlingly engaging said second end of said nipple, with said flow nozzle secured between said nozzle coupling and said nipple; a locking collar slidably disposed on said nozzle coupling, for moving from a retracted position disposed aside of said grip profile of said nipple to an extended position disposed adjacent said grip profile and non-rotatably securing said locking collar to said nipple; wherein said locking collar is non-rotatably secured to said nozzle coupling when disposed in said extended position, and non-rotatably secures said nozzle coupling to said nipple when disposed in said extended position; and wherein said locating slot is configured with a profile of a J-slot.