| 摘要 |
PURPOSE: A window in stairs of an apartment building including an excellent crime preventing function is provided to prevent rainwater from flowing in the indoor in which stairs exist, ventilate the indoor by smoothly drawing external air into the indoor, and fundamentally block the access from the outside. CONSTITUTION: A window in stairs of an apartment building including an excellent crime preventing function comprises a window frame (10), a movable glass bar (20), an interlocking gear (30), and a motor (40). The window frame is constructed on a wall (50) of the space in which stairs exist and draws external air through an opening unit (11). The movable glass bar is installed on the opening unit of the window frame and opens or closes the opening unit. The interlocking gear interlocks the movement of the movable glass bar with the other adjacent movable glass bar in the inner side of the window frame. The motor rotates the movable glass bar with an optical sensor of the outside, a rain sensor, a smoke sensor of the indoor, or a temperature sensor and opens or closes the opening unit. |
