Fluid coupling having stepped synchronized threads

摘要

A fluid coupling is disclosed having a first pipe member (12) and a second pipe member (14). The first pipe member (12) has an externally threaded end (22) with synchronised thread portions (24,26). The second pipe member (14) is configured to be received within the first pipe member (12). The coupling further includes a nut (20) slidably and rotatably fitted around the circumference of the second pipe (14). The nut (20) is internally threaded with a pair of synchronised threaded portions (42,44) for mating engagement with the threaded portions (24,26) of the first pipe member (12). <IMAGE>