An inter-layer passage device for preventing invasion of an accommodation is disclosed. According to one aspect of the present invention, the inter-layer passage device for preventing invasion of an accommodation comprises: a platform where a rotary plate is provided to an upper surface, hinged to one wall surface adjacent to an entrance door of an upper floor of an accommodation; and a stair unit hinged to the rotary plate.
거주구 칩입 차단용 층간통행장치가 개시된다. 본 발명의 일 측면에 따른 거주구 칩입 차단용 층간통행장치는, 거주구의 상층 출입문에 인접한 일 벽면에 힌지결합되고, 상면에 회전판을 구비하는 플랫폼; 및 상기 회전판에 힌지결합되는 계단부를 포함하는 것을 특징으로 한다.
SHIP STAIRWAY DEVICE FOR PREVENTING INVADING ACCOMMODATION
거주구 칩입 차단용 층간통행장치
07.12.2016
Patent
Elektronische Ressource
Koreanisch
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