PYRO LOCK Russian patent published in 2000 - IPC

FIELD: space engineering; connection and separation of stages or jettisoning head fairing of rocket. SUBSTANCE: pyro lock includes spring-loaded bolt with bore, projections and but, members fastened by this bolt, body with bottom which has hole with smoothly distributed slots, sleeve with damper, slide blocks and rod with movable spring-loaded catcher and tail-piece. Body is provided with cover with explosive charges and inner ring. When explosive charges operate, combustion products set sleeve in motion, thus releasing the slide blocks. Forces acting on bolt release slide blocks and shaft the bolt which disconnects members which were connected earlier. EFFECT: improved service characteristics; extended range of equipment. 3 dwg