| 摘要 |
The present invention relates to a window closing device of a window frame which improves soundproof, moisture-proof, heat insulation, and the likes by tightly closing a space between a window frame and a window as the window is slightly moved downward when closing the window. The window (B) inside the window frame (A) is opened and closed with a slide method. An upper guide rail (50) is installed on an upper frame (10) of the window frame (A), and a lower guide rail (51) in which seating grooves (51c, 51d) are installed on the front and rear surfaces at a predetermined interval is formed on a lower frame (20). Sealing maintaining packing pieces (700) which closely adhere to and are separated from the upper guide rail (50) and the lower frame (20) of the window frame are formed on upper and lower frames (100, 200) of the window (B). Front and rear guide rollers which are seated on and separated from the seating grooves (51c, 51d) of the lower guide rail (51) are installed on the center of the lower frame (200). |
