Diving apparatus

Details Diving apparatus Diving apparatus

2003-09-19

2010-06-08

Douglas, Steven O (Department: 3771)

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

Reexamination Certificate

active

07730884

ABSTRACT:
A diving apparatus includes a support structure (18) that is engageable with a diver's head, the support structure (18) defining a lens opening (262) and an equalization opening (104). A lens (26) is mounted on the support structure (18) to close the lens opening (262) so that the support structure (18) and the lens (26) define a breathing space (30) from which the diver can be supplied with air. A sealing arrangement is positioned on the support structure (18) sealingly to engage the diver's face so that the breathing space (30) is substantially airtight. An equalization assembly (106) is mounted on the support structure (18) to close the equalization opening (104). The equalization assembly (106) includes an access means to permit the diver to gain access to his or her nose so that the diver can carry out an equalization procedure. A gas supply arrangement is in fluid communication with the breathing space (30).

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