Patent ID: 7735880

Claim:
A female quick joint coupling part for liquid tight joining of lines under high pressure comprising a sleeve shaped part into which a male part is introducible, said sleeve shaped part comprising a tubular lead-through having a first groove at one end of the lead-through in which a sealing ring and a washer are arranged, wherein the sleeve shaped part has a threaded part on its outside; said quick joint coupling further comprising a swivel part having a threaded part on its inside; wherein the threaded part on the outside of the swivel part is arranged to cooperate with an outside threaded art of the sleeve shaped art and thereby connecting the swivel part to the sleeve shaped part, said swivel part further comprising a tubular bearing cup and a slide sealing, said slide sealing comprising at least one ball bearing arranged within said slide sealing, said tubular bearing cup being rotatably arranged inside the swivel part by means of said ball bearing, and said tubular bearing cup comprising arc shaped locking elements arranged to be engaged with grooves in a male part.