Respiratory protection mask fixing system for weapons aircraft pilot, has double bayonet with upper part having two flaps, and ratchet to allow bayonet to be inserted in notched receptacle without being able to return

摘要

The system has a double bayonet with upper and lower parts (7a, 7b) connected through straps (8a, 8b) to upper and lower parts of a rigid shell (4). The part (7a) has a flap, and a ratchet to allow the bayonet to be inserted in a notched receptacle (6) without being able to return. The part (7a) has another flap for being unlocked by an operator, when he exerts force directed from the back to the front of a helmet.