| 摘要 |
An electric blind, which is efficiently raised and lowered and controlled in a tilt angle of its vanes by a single drive motor, is disclosed. The electric blind includes a mount frame, fixedly mounted on a wall over a window and having a certain length, a pair of housings attached to both ends of the mount frame, a pair of take-up cylinders rotably coupled to the housings, lifting cords wound around the pair of take-up cylinders and unwound therefrom to be suspended by a certain length, a rotating pipe, disposed between and joined to the pair of take-up cylinders and rotated in forward and reverse directions, a drive motor connected to the rotating pipe, a plurality of vanes disposed below the pair of housings to be raised and lowered by the lifting cords, and means for controlling tilt angle of the vanes by a turning force of the rotating pipe.
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