| 摘要 |
PURPOSE: A shaft joint of a roll screen is provided to make the roll screen installed even in a round window as well as a flat window while the shaft has the joints in the both sides. CONSTITUTION: A connecting shaft(14) is installed between a couple of brackets(10,12) to rotate. One side of universal joints(16,18) is coupled with the end of the connecting shaft, and the other side is united with a shaft(20) winding a roll screen. A main motor is installed in the middle or either end of the roll screen, and makes the shaft wind the roll screen. Therefore, the roll screen is constructed even in a round window or a zigzag window while the shaft rotates by the universal joints.
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