Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
View Patent ↗A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system includes a face seal, a soft flexible lens, a pneumatically-actuated harness, and a regulator with microphone to control the flow of oxygen and to facilitate communications in aircraft flight decks and other aircraft compartments.
1. In a quick-donning full face oxygen mask for use in oxygen depleted environments or environments contaminated by smoke or other pollutants, the full face oxygen mask including a flexible mask assembly having a flexible periphery conformable to a wearer's face, the improvement in the quick-donning full face oxygen mask comprising:
a flexible optical lens of optical quality disposed in said flexible mask assembly, said flexible optical lens having a rolled configuration for storage and an unrolled configuration capable of deflecting to conform to a wearer's face and to said rolled configuration.
2. The quick-donning full face oxygen mask of claim 1 , wherein said flexible optical lens is formed of clear silicone.
3. The quick-donning full face oxygen mask of claim 1 , wherein said flexible optical lens is coated with a scratch resistant additive.
4. The quick-donning full face oxygen mask of claim 3 , wherein said flexible optical lens is coated with a scratch resistant coating of clear urethane.
5. The quick-donning full face oxygen mask of claim 1 , wherein said flexible optical lens is formed of a clear peroxide cured molding grade silicone.
6. The quick-donning full face oxygen mask of claim 1 , wherein said flexible mask assembly is formed of a flexible, optically transparent plastic.
7. The quick-donning full face oxygen mask of claim 1 , wherein said flexible mask assembly is formed of a flexible, optically transparent silicone.
8. The quick-donning full face oxygen mask of claim 1 , wherein said flexible mask assembly comprises a face seal formed of silicone.
9. The quick-donning full face oxygen mask of claim 1 , wherein said flexible mask assembly comprises an inflatable harness formed of silicone tubing.
10. The quick-donning full face oxygen mask of claim 1 , wherein said flexible mask assembly and said flexible optical lens are formed as a single piece of transparent silicone.
11. The quick-donning full face oxygen mask of claim 10 , wherein said flexible mask assembly and said flexible optical lens are formed of an optical quality clear silicone.
12. The quick-donning full face oxygen mask of claim 11 , wherein said flexible optical quality lens is coated with an abrasion resistant material.
13. The quick-donning full face oxygen mask of claim 1 , wherein said flexible optical quality lens provides a wide field of view to the wearer.