| 摘要 |
A rotational sliding window using a composite structure of a sash of the present invention is capable of being opened both vertically and horizontally, with outer windows (20) and inner windows (10) installed vertically and horizontally in a fixed frame (10) of a predetermined shape. The rotational sliding window using a composite structure of a sash is, firstly, expected to have a higher efficiency in ventilation by being able to open a window in accordance with the direction of wind, and secondly, is easy to be cleaned of the outer portion from the inside. |
