Safety lock for plug-in connection to central medical gas supply - has double bayonet coupling with retaining spring providing seal

摘要

The safety locking system with a holding position for plug-in connection to central hospital gas supply comprises a double bayonet-type connection. In the first engaged position the plug (6) is merely in the socket (5) with no connection to the fluid supply. In the second it is locked and sealed by means of a retaining spring.