| 摘要 |
PURPOSE: An automatic window opening/closing device is provided to control the indoor ventilation and the amount of sunshine by maintaining the opening angle of a window and to facilitate the opening/closing control of a window. CONSTITUTION: An automatic window opening/closing device(10) comprises a guide frame(20), a window(30), an opening/closing device(40) and an electric opening/closing driving unit(50). The guide frame is formed on the upper and lower part of a window frame, and provided with a guide groove opened in a longitudinal direction at the center of the upper and lower parts. The window is opened/closed by transferring along the guide rail of the guide frame and the guide groove. The opening/closing device formed on the upper and lower parts of the window(36) includes a roller transferred with slide along the guide rail of the guide. The electrical opening/closing driving unit includes a winding device(56). The winding device is rotated around the axis of an electric motor(54), and winds a wire(52) while unwinds the other wire.
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