PYROMECHANISM FOR AUTOMATIC DROPPING OF CRASH HELMET VISOR Russian patent published in 1997 - IPC

Abstract RU 2077455 C1

FIELD: personal survival aids. SUBSTANCE: pyromechanism has body 1 provided with two ears 2 having fastening holes 3 and hole 4 for escape of exhaust gases of electric igniters 5 into atmosphere. Tail-piece 8 of rod of piston 6 is provided with stop 9, through slot 10 and rectangular recess 11; stop 9 brings retainer 12 out of fixed upper position; edge of rectangular recess 11 turns visor 18 down to preset angle by pin 16 fitted on visor bracket 17. EFFECT: enhanced reliability. 1 dwg

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RU 2 077 455 C1

Authors

Kurochkin M.I.

Dergunov N.I.

Soldatenko A.A.

Dates

1997-04-20Published

1992-12-28Filed