| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a door device capable of improving crime prevention and designability.SOLUTION: A door device 20 is provided in an opening wall surface part 11 of a wall surface panel 10 of a building. The door device 20 comprises a sliding door 21. The opening wall surface part 11 on a door end side is provided with a protective plate 12 capable of being locked. The protective plate 12 can be locked and covers an operation box that is provided within the opening wall surface part 11. A thumb turn for unlocking the sliding door 21 is provided within the operation box.</p> |
