| 摘要 |
A hollow built-in window blind is provided. The window blind includes an outer glass (13a), an inner glass (13b), a spacing strip (14), a curtain (12), and a fixing device for the curtain. The curtain (12) is installed in a closed space enclosed by the outer glass (13a), the inner glass (13b), and the spacing strip (14). Furthermore, the spacing strip (14) has a step part to be connected with the curtain (12), and the fixing device includes an upper beam (1) with a projection, left and right frames (10a, 10b) with a projection respectively. The upper beam (1), left and the right frames (10a, 10b) are connected to the spacing strip (14) by the projections set on the step part of the spacing strip (14). |
