SHIP'S DOOR Russian patent published in 1997 - IPC

FIELD: shipbuilding. SUBSTANCE: door includes frame with inclined openings connected with door panel by means of hinges, locking system consisting of vertical and horizontal rods connected by means of cranks located symmetrically relative to longitudinal and transversal axes of panel; door is also provided with dogs secured on panel and mounted opposite inclined openings in frame. One arm of dog is received by inclined opening and other arm is fixed to rods. Cranks and dogs are bent, thus making the door compact and making it possible to fit sheathing. Door is locked by handle which is kinematically linked with rods, cranks and dogs. EFFECT: enhanced reliability. 4 dwg