DESCRIZIONE
A connection device (1) for connecting a compressed gas cylinder (5) to an inflatable device (9), where the connection device (1) comprises a releaser (4) providing a fluid connection between the compressed gas cylinder (5) and the inflatable device (9), the releaser (4) comprises a primary activation mechanism (8) for controlled puncture of the compressed gas cylinder (5) via a piston (41) provided with a bunching dart (43), said primary activation mechanism (8) is provided with means for axially displacement of the piston (41) towards the compressed gas cylinder (5), wherein the releaser (4) further comprises: - a rotatable adapter (2) with means for irreversible fastening of the compressed gas cylinder (5) to the adapter (2); - a secondary trigger device (3) adapted for puncturing the compressed gas cylinder, said secondary trigger device (3) comprising a displacing means (30) for axially displacing a trigger (400) towards the compressed gas cylinder (5), where the secondary trigger device (3) is in an activated position when the adapter (2) is in an axially displaced position.