| 摘要 |
PURPOSE: A bidirectional window frame system is provided to improve soundproof property and insulation effect through a door which opens and closes the inside and outside thereof. CONSTITUTION: A bidirectional window frame system comprises a window frame(100), an inner door(200), an outer door(300), a main link(400), and a pair of sub links(500,600). The window frame is installed on the wall of the building. The inner door is positioned on the inner wall surface, the lower end of the inner door is axis-supported on the window frame, and a guide groove(210) is formed on the upper lateral side thereof. The outer door is positioned on the outer wall surface, is axis-supported by the window frame, and a guide groove(310) is formed on the lower side. The main link is installed on the window frame between the inner and outer doors and is axis-connected to the central part of the window frame. |
