Locking device

A locking device relating to a door construction to be used in an air raid shelter or the like, which door construction comprises at least one door panel unit arranged in a frame, a supporting frame joined to the door panel unit and said locking device including a lever arm application arranged in the supporting frame, said supporting frame comprising a beam construction arranged in connection with one vertical edge of the door panel unit and extending substantially from the lower edge of the door panel unit to its upper edge, and said locking device including a mechanism arranged in the beam construction, said mechanism including effective bolt members being constituted by cylinder elements arranged at the ends of said lever arm application, said cylinder elements being effective at the lower edge and upper edge of the door panel unit and adapted to be supported on the beam construction on the one hand and to be arranged in cup-shaped recesses in the frame on the other hand, said recesses corresponding to the form of the cylinder elements.