| 摘要 |
According to the invention, the device consists of a split, threaded container designed for use in outer doors in flats in blocks of flats between the outside and inside of door. Towards the inside, the container is open and equipped with a space for temporary storage of the flat key. Towards the outside, the container can be closed using a lock cylinder that can be locked using a master key. The lock cylinder can be removed in the unlocked position, thus making the flat key inaccessible from the outside.<IMAGE> |
