| 摘要 |
A transmission apparatus for opening and closing slats of an electric blind includes a frame which has a housing compartment and a transmission device held in the housing compartment. The transmission device has a transmission shaft coupled with a motor spindle through a flexible tube which has a first sleeve and a second sleeve on the left end and the right end such that loading of the motor may be reduced and the axes of the transmission shaft and the motor spindle may be coupled even when they are not aligned accurately, thereby the electric blind can open and close the slats as desired.
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