SYSTEM FOR ATTACHING FULL-FACE SMOKE-PROTECTIVE OXYGEN MASK TO PROTECTIVE HELMET Russian patent published in 2024 - IPC A62B18/02 

FIELD: personal protective equipment.

SUBSTANCE: invention relates to aviation masks, smoke-protective oxygen masks and gas masks used together with protective helmets by aircraft crew members. System for attaching a full-face smoke-protective oxygen mask to a protective helmet comprises two crossbar locks installed on the mask, as well as an additional attachment point of the mask to the helmet—an upper magnetic lock in the forehead area, which provides for the retention of the upper part of the mask, consisting of two parts forming a single structure, one of which is fixed on the protective helmet, and the second is installed on the mask frame, wherein part of the magnetic lock installed on the protective helmet consists of a fixed bracket with a magnet and two mechanical protrusions-hooks, and part of the magnetic lock installed on the mask frame consists of a fixed bracket with slots and a retainer rotating on the axis with hooks, a slot and a magnet, located unipolarly with bracket magnet, installed on protective helmet.

EFFECT: providing a tight fit of the mask along the entire contour of the face and thereby creating a stable tightness of the space under the mask at excess pressure in it.

1 cl, 5 dwg