DRIVE OF EXTINGUISHANT TANK HATCH DOOR OF FIRE AEROPLANE Russian patent published in 1995 - IPC

FIELD: aeronautical engineering. SUBSTANCE: articulated to tank is actuating cylinder 1 with floating piston 2 with cylindrical sleeve 3. Rod 8 is connected with door 10. On side of rod chamber piston 2 is provided with ball lock 6 with spring-loaded piston 7; on side of piston chamber A, it is provided with tab fastener engageable with lock 9 of rod 8. Fastener is made in form of sleeve 3 with inner cone divided into sectors 4 by longitudinal slots 5. Provided in bottom portion of chamber A is coaxial taper ring 21 engageable with inner cone of sleeve 2. EFFECT: reduced mass and improved service properties. 1 dwg