| 摘要 |
PURPOSE: A pivoted window opening device is provided to easily induce air to flow in a factory or discharge the air to the outside without blocking the flow of air when a window is opened. CONSTITUTION: A pivoted window opening device by which air flows well is provided to include a power transmitting unit (P) and a window rotation supporting unit (S). The power transmitting unit includes a rotation supporting shaft that protrudes to both sides of the middle frame (1a) of window frame, and transmits power to the both side of the middle frame of window frame. The window rotation supporting unit is formed at the upper portion of window frame (1), and opens a window (W) upward. The window rotation supporting unit comprises a rotation drive supporting unit (S1) and a rotation supporting unit (S2). The rotation drive supporting unit rotatably connects and supports the middle frame of window frame and the window. The rotation supporting unit rotatably connects the window and the outer frame (1b) of window frame. |
