SPRAYING HEAD Russian patent published in 2016 - IPC A62C37/09 

FIELD: fire safety.

SUBSTANCE: invention relates to spraying head intended for fire extinguishing. Spraying head includes connecting part, body of spraying head with at least one nozzle, and thermally activated starting device, at that said body of spraying head is installed in connecting part and is configured to move between two positions; first position, wherein spraying head is inactive, and second position wherein body of spaying head is protruded in ready position before activation of thermally activated starting device, at that said body of spraying head is movable under pressure of substance relative to connecting part from first position to second position, locking device therein is mounted between body of spraying head and connecting part, and adapted to retain body of spraying head in first position until pressure of substance does not exceed specified value, locking device therein comprises first annular groove on outer part of body of spraying head and second annular groove on inner section of connecting part, while between first annular groove and second annular groove in first position there is lock member.

EFFECT: fire extinguishing.

15 cl, 3 dwg