| 摘要 |
PURPOSE: A roll blind is provided to easily control the position of stripes formed in the double-layered screen without disassembling the parts of the blind. CONSTITUTION: A roll blind comprises a winding rod(230) in which a screen is installed, a winding driver(110) which rotates the winding rod, a driving gear(130) which is coupled to the winding driver, a driven gear(140) which is coupled with the winding rod and engaged with the driving gear to rotate the winding rod and a clutch unit(120) which makes the driven gear idle a specific distance while controlling the idle distance. |
