HELMET Russian patent published in 1994 - IPC

FIELD: means for individual protection of respiratory organs. SUBSTANCE: helmet body is made as a metal wire frame with a saddle-shaped supporting part, and a housing of light plastic, thick fabric or tarpaulin. Plate has a curvilinear surface matching the upward and back zones in the internal part of body. Air is supplied into the gap between plate and frame through a flexible hose. Visor is secured on the body and can be opened and closed by the lock in the lower part of the opening. Saddle-shaped supporting part of the frame rests on the wearer's shoulders. The surface of the plate facing the helmet body is corrugated. EFFECT: improved design. 2 cl, 2 dwg