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    • 7. 发明申请
    • SELF-RAISING WINDOW COVERING
    • 自升式窗户覆盖
    • WO2009011681A1
    • 2009-01-22
    • PCT/US2007/016365
    • 2007-07-19
    • DAVID HUANGYU, Fu-LaiHUANG, Chin-Tien
    • YU, Fu-LaiHUANG, Chin-Tien
    • E06B9/30
    • E06B9/322E06B9/60E06B2009/3222E06B2009/3225
    • The present invention relates to a self-raising window covering and a control mechanism for the window covering. In particular, the window covering includes a drive unit, such as constant force spring, that is adapted to apply a substantially constant rotational force on the drive axle. A cord winding assembly is coaxially mounted on the drive axle, and includes at least one winding drum operatively connected to a second end of the raising cord and having a tapered portion, as well as a rotatable positioning member for moving the cord winding assembly laterally along the drive axle upon rotation of the positioning member. The cord winding assembly is adapted to translate the rotational force on the drive axle to a raising force on the raising cord, wherein the raising force is greater than a downward force exerted by the shade element and bottom rail throughout the range of opening and closing. A clutch member or locking member is also operatively connected with the axle and adapted to releasably lock the drive axle in a desired position.
    • 本发明涉及一种用于窗帘的自升式窗帘和一控制机构。 特别地,窗户罩包括诸如恒力弹簧的驱动单元,其适于在驱动轴上施加基本恒定的旋转力。 绳索缠绕组件同轴地安装在驱动轴上,并且包括可操作地连接到提升绳索的第二端并具有锥形部分的至少一个卷绕鼓,以及用于沿着侧向沿着侧面移动绳索卷绕组件的可旋转定位构件 驱动轴在定位构件旋转时。 绳索缠绕组件适于将驱动轴上的旋转力转换为提升绳索上的提升力,其中提升力大于在打开和关闭的整个范围内由遮光元件和底轨施加的向下的力。 离合器构件或锁定构件也可操作地与车轴连接并且适于将驱动桥可释放地锁定在期望的位置。