Diving helmet breech ring connection

Claim 1

A breech ring connector for removably securing a helmet to a suit, said breech ring connector comprising: an upper ring member, adapted to be fixed to the lower edge of a helmet, said upper ring member comprising a first cylindrical portion depending from a first outwardly extending flange portion and defining a central opening for receiving the head of a wearer, a lower ring member, adapted to be fixed in the neck opening of a suit, said lower ring member comprising a second cylindrical portion depending from a second outwardly extending flange portion and defining a substantially cylindrical opening; said upper ring member being nestable with said lower ring member with said first cylindrical portion disposed within said cylindrical opening of said lower ring member and said first flange portion overlying said second flange portion; an elastomeric ring carried by one of said first and second cylindrical portions for effecting sealing therebetween when said first ring member is nested with said second ring member; a slotted plate extending upwardly from the outer edge of said lower ring member; a tongue extending radially from the outer edge of said upper ring member for cooperating pivotal engagement with said slotted member; first and second locking means, each disposed substantially 120° from said tongue and said slotted plate and from one another, for releasably securing said upper and lower ring members together.