Quick donning goggles for use with breathing mask

Abstract

A face mask for covering the nose and mouth of the wearer for supplying breathing gas thereto and a pair of strapless goggles which are easily and quickly donnable. The goggles are detachably attachable to the face mask by a tongue-and-groove connection wherein the tongue of the goggles is snapped into the face mask groove. Buttons are provided at the groove entrance for locking the tongue in the groove, the goggles being removable by depressing the buttons and sliding the tongue out over the depressed buttons. A face mask strap is coupled with hooks on the goggles frame for holding the goggles sealingly against the wearer's face. A vent is provided for supplying breathing gas to the goggles for venting thereof so as to prevent the entrance of smoke or disabling gases and to defog the lens.

Dependencies are inferred from the claim text.