ESCAPE HATCH FOR SUBMARINER AIR-LOCK Russian patent published in 2002 - IPC

FIELD: escape hatches. SUBSTANCE: escape hatch has body with upper and lower covers. Upper cover has double-acting pneumatic drive. Lower cover is mounted detachably for translational motion along longitudinal axis of escape hatch body and is connected with rectilinear guide leverage for lowering and hoisting the cover. Under side of lower cover is equipped with telescopic pneumatic pusher mounted coaxially relative to said axis; rod of pusher is passed through this cover. Mounted at the end of this rod is cargo platform. Upper side of lower cover is provided with sleeve secured coaxially relative to said rod embracing the cargo platform; this sleeve is used for placing a submariner inside it. Ferrule mounted under upper cover of escape hatch may be articulated with sleeve when it is in extreme upper position. EFFECT: possibility of automating process of forming air-lock; enhanced safety; extended operational capabilities. 3 cl, 1 dwg