| 摘要 |
A two-way up-down curtain includes a fixed top base including a device space and its bottom is drilled several eyelets. A coil rope control device is located in the device space is coiled with a first and a second thread. The threads penetrate through the eyelet in the bottom of the fixed top base. A curtain under the fixed top base includes a mobile top, a bottom and a curtain. The first thread penetrates through the mobile top, curtain and bottom downwards, and through the bottom downwards with an extended end. A pulling base is only fixed to the extended end of the first thread mutually, so that the user can push and pull the mobile top or the pulling base by hand to change the state of the curtain. The mobile top can be actually prevented from movina to result in clearance to the fixed top base. |
