Patent ID: 7278421
Filing Date: 2007-10-09
Classification: A62B

Abstract:
1. A quick-donning full face oxygen mask for use as a smoke mask with a flight helmet having a forwardly facing front opening in oxygen depleted environments and environments contaminated by smoke or other pollutants comprising: a flexible helmet seal, said flexible helmet seal including first and second sides, a top side and a bottom side, an interior, and a pliable, flexible periphery, said flexible helmet seal including a flexible optical lens in a region adapted to overlie a wearer's eyes, and the flexible helmet seal including first and second rearwardly facing side channels defined by sealing surfaces along each of said first and second sides of the mask, respectively, that overlap and fit over the forwardly facing front opening of the flight helmet and flex to adapt to seal to a variety of flight helmet designs; first and second side flexible sealing flaps along the first and second sides of the helmet seal; an inner top flap and an outer top flap on the top side of the flexible helmet seal, said inner and outer top flaps cooperating to seal the wearer's face between the first and second sides of the flight helmet; an oronasal cone along the bottom side of the helmet seal that seals around the wearer's nose and mouth; an oxygen supply regulator removably attached to said flexible helmet seal; and an inflatable harness attached to said flexible helmet seal adapted to fit over the flight helmet, said inflatable harness including at least one tube connected to said oxygen supply regulator and supplied oxygen by said oxygen regulator for inflation of said inflatable harness.