FIELD: locking equipment for apartment and commercial room doors. SUBSTANCE: locking device has drive plate pivotally connected through shackles with cross bars and thrust disposed on one of cross bars. Pivotal strip is arranged between lock catch and thrust and fixed by detachable thrust. When detachable thrust is removed, door may be opened without key by turning drive plate in emergency cases due to room smoking up or fire. EFFECT: increased efficiency, simplified construction and usage. 13 cl, 18 dwg
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