Combined oxygen mask and smoke goggle apparatus with automatic f

Details Combined oxygen mask and smoke goggle apparatus with automatic f Combined oxygen mask and smoke goggle apparatus with automatic f

1975-08-13

1976-07-27

Michell, Robert W.

Surgery

Truss

Pad

A62B 700

Patent

active

039713687

ABSTRACT:
Combined oxygen mask and smoke goggle apparatus particularly adapted for use by members of flight crews is provided in which a valve having a shiftable actuating element and including means presenting a passage is mounted atop the face-piece of the oxygen mask for automatic opening of such valve whenever the mask and goggles are both in place on the face of a user, so that the mask will normally be sealed against the escape of oxygen introduced thereinto but oxygen will be automatically introduced into the goggles for flushing smoke or the like therefrom whenever the goggles are being utilized along with the mask.

REFERENCES:
patent: 2818858 (1958-01-01), Holm
patent: 3018776 (1962-01-01), Saitta et al.
patent: 3433222 (1969-03-01), Pinto
patent: 3910269 (1975-10-01), Ansite et al.

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