| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric blind effectively opening and shutting the blind with opening and shutting adjusting strings and facilitating the opening and shutting of the blind and the adjustment of an angle by one driving motor. SOLUTION: The electric blind includes a fixed frame fixed to an upper wall of a window and having a predetermined length, a pair of housings connected to both ends of the fixed frame, a pair of take-up sections rotationally mounted on the housings, the opening and shutting adjusting strings hanging down from the take-up sections by unwinding a roll up to a predetermined length while winding on the take-up sections, an opening and shutting rotary bar connecting a pair of take-up sections and rotating in the direction of forward and reverse, the driving motor connected to the opening and shutting rotary bar, a plurality of vanes lifting and lowering with the opening and shutting strings and a means adjusting an angle of inclination of each vane by torque of the opening and shutting rotary bar. COPYRIGHT: (C)2004,JPO
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