Diving helmet breech ring connection

Details Diving helmet breech ring connection Diving helmet breech ring connection

1976-10-22

1977-07-12

Guest, Alfred R.

Apparel

Guard or protector

Body cover

285283, B63C 1104

Patent

active

040344169

ABSTRACT:
A connection for releasably securing a diving helmet to a suit through the se of nestable upper and lower ring members having mating cylindrical portions sealed by an O-ring. A tongue and slot serve to orient the helmet during donning and cooperate with two sets of pintles and gudgeons disposed 120.degree. from one another to secure the ring members together.

REFERENCES:
patent: 1307921 (1919-06-01), Niehoff
patent: 1913246 (1933-06-01), Saine
patent: 3112130 (1963-11-01), Miller
patent: 3488771 (1970-01-01), Chase et al.
patent: 3574862 (1971-04-01), Jones
patent: 3584313 (1971-06-01), Brown et al.
patent: 3815941 (1974-06-01), Snyder

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