Curtain assembly with tube units for hiding control ropes

A curtain assembly comprising:

• a top box and a curtain connected to the top box, multiple movable rings connected to the curtain and located in rows, multiple fixed rings fixed to a lower end of the curtain and located in align with the movable rings;
• a plurality of tube units each having a fixed tube and multiple movable tubes, the fixed tube including a first passage defined therethrough and a flange extending radially from a first end thereof, a first insertion end located at a second end of the fixed tube, each of the movable tubes having a second passage defined therethrough and a second flange extending radially from a first end thereof, a second insertion end located at a second end of each of the movable tubes, the fixed tubes extending through the fixed rings and the first flanges supported on the fixed rings, the first insertion end of each of the fixed tubes fixed to the fixed ring corresponding thereto, the movable tubes extending through the movable rings and the second flanges supported on the movable rings corresponding thereto, and
• multiple control ropes extending from the top box and extending through the movable tubes and the fixed tubes, when the curtain is lifted by pulling the control ropes, the movable tubes are inserted into the next one in sequence by inserting the second insertion end of one movable tube into the second passage of the next movable tube, the second insertion end of the lowest movable tube is inserted into the first passage of the fixed tube corresponding thereto.