DOOR LOCKING DEVICE Russian patent published in 1994 - IPC

FIELD: civil engineering. SUBSTANCE: device comprises at least one sliding latch located on internal side of door. Latch is mounted with a provision for moving along inner rib of door and is shaped like an angle-piece whose webs fit closely to end and inner surfaces of door. Locking member is formed by pins secured to door frame and the protruding part of said pins interacts with slots in the web adjoining the end face of door. Slots are of an L-shaped profile. One arm of slot which is parallel to rib is open at the side of web end face to receive corresponding pin. EFFECT: improved design. 2 cl, 4 dwg