MINE RESCUE TEAM HELMET Russian patent published in 2017 - IPC A62B18/04 

FIELD: personal demand items.

SUBSTANCE: mine rescue team helmet (1) includes a full face mask (9), a lantern (12), consisting of two separate parts connected by locks. Around the full face mask (9) there is an external protective cover (8), which merges into the protective helmet. The design is removable. Rigid channels (4) are routed from the valve box (5) inside the external protective cover (8) of the full face mask (9) for feeding the respiratory mixture withdrawal from under the full face mask. The channels are connected by a bayonet connection to the same channels for withdrawal of the respiratory gases passing inside the outer case of the main helmet from the right and left sides. In the back of the outer shell of the main helmet, the quick-disconnect couplings (3) are fitted to connect the channels with respiratory gases to the corrugated hoses of the respirator.

EFFECT: increased safety of the rescuer, convenience of his work in the helmet, possibility of using it as a protective helmet with a mask and without it.

1 dwg