| 摘要 |
The present invention relates to a window system and, more specifically, to a window system to slide to open or close. The window system comprises a window frame having a left window guiding lower rail and a right window guiding lower rail to be arranged side by side; a left window installed on the window frame to make an upper left window frame spaced apart from an upper window frame and to allow a left window roller to be separated from the left window guiding lower rail; and a right window installed on the window frame to make an upper right window frame spaced apart from the upper window frame and to allow a right window roller to be separated from the right window guiding lower rail. |
