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    • 30. 发明授权
    • Roller assembly fitting device for use in a roller blind
    • 用于卷帘的滚筒总成装配装置
    • US4399857A
    • 1983-08-23
    • US291950
    • 1981-08-11
    • Kazuo Honma
    • Kazuo Honma
    • E06B9/84E06B9/171E06B9/174E06B9/44E06B9/50E06B9/56A47H1/13
    • E06B9/50E06B9/44
    • A roller assembly fitting device for selectively locking the retraction of the pivot, which is inserted in a bore in a mounting bracket to support the roller assembly in both brackets. The device has a roller-end sleeve fixed to the roller assembly, a guide sleeve rotatably mounted in the roller-end sleeve, a pivot retractably mounted in the guide sleeve, and a coil spring interposed between the guide sleeve and the pivot to bias them in opposite directions. The guide sleeve has its radial projection for selectively fitting engagement with axial and peripheral grooves formed in the outer periphery of the pivot. The pivot is retractable when the guide sleeve is in the first position in which the projection is in the axial groove but locked when the guide sleeve is in the second position in which the projection is in the peripheral groove.
    • 一种用于选择性地锁定枢轴回缩的辊组件装配装置,其插入到安装支架中的孔中以将辊组件支撑在两个支架中。 该装置具有固定到辊组件的辊端套筒,可旋转地安装在辊端套筒中的导向套筒,可伸缩地安装在导向套筒中的枢轴和插入在导向套筒和枢轴之间以将它们偏置的螺旋弹簧 在相反的方向 引导套筒具有径向突出部,用于选择性地与形成在枢轴的外周中的轴向和周向槽配合。 当导向套筒处于其中突起处于轴向槽中的第一位置时,枢轴可缩回,但是当导向套筒处于突出部位于周边槽中的第二位置时,该枢轴被收缩。