Patent ID: 6964436

Claim:
A coupler comprising: a tubular body ( 6 ) which is arranged to receive a tubular element for transporting fluid and including a pipe end; a bushing ( 15 ); retaining means ( 23 , 25 ) to retain the pipe end of the tubular element, the retaining means being provided along an inside surface of the bushing; snap means ( 11 ) to snap-fasten an outer portion of the bushing, the snap means provided on the tubular body, which retaining means comprise a tooth for spiking into the pipe end and are selectively activatable and deactivatable, wherein the bushing is mounted in the tubular body to be movable axially between a position for activating the retaining means and a position for deactivating the retaining means, and wherein the bushing is provided with snap-fastening means complementary to those of the body for co-operating therewith in the activation position.