| 摘要 |
PURPOSE: An electromotive blind is provided to prevent malfunction if the full length of a frame is long and a breakdown caused by manual operation in use. CONSTITUTION: An electromotive blind comprises a frame fixed to a ceiling and fitted with a cross shaped shaft, many holders(12) inserted to the cross shaped shaft and attached with a partition plate(14) and connected with one another through separate clips, a moving holder(13) located to the outermost of the holders and connected through the holder and a clip, a rail groove(2) attached with many magnets(M) having different polarities alternately at regular intervals in the frame, first, second, third, and fourth electromagnets(EM1-EM4) and first, second, third, and fourth connection terminals connected with the electromagnets installed on the middle of the rail groove, a moving box(3) connected through the moving holder and a bracket(31), and many power terminal differing polarities alternately and connected with the connection terminals repeatedly on the upper part of the frame.
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