| 摘要 |
PURPOSE: A window structure of a building is provided to open a window at a desire angle which can make ventilation but prevent the trespassing of a theft. CONSTITUTION: A window structure of a building comprises a window frame, a top plate(20), a bottom plate(30), and an actuator(40). An installation space(11) is formed in one side of the window frame. The top plate and a bottom plate are fixed to the installation space. The actuator is installed between the top plate and bottom plate. |
