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    • 5. 发明申请
    • Shade with a Shear Pin and Method for Pretensioning a Shade
    • 用剪线制成的阴影和预加阴影的方法
    • US20140014281A1
    • 2014-01-16
    • US13548767
    • 2012-07-13
    • Willis Jay MulletDarrin W. Brunk
    • Willis Jay MulletDarrin W. Brunk
    • E06B9/62B23P11/00E06B9/72E06B9/44E06B9/68
    • E06B9/42E06B9/56E06B9/60E06B2009/801Y10T29/49826
    • A roller shade is provided. The roller shade may include: a roller; an axle located in the roller; an adjustable counterbalancing mechanism configured to counter balance a rotation of the roller wherein the counterbalancing mechanism is configured to impart a rotational force on the roller and the rotational force is adjusted by rotating the axle; and a locking mechanism attached to the roller and configured to lock the axle at a given angular orientation, wherein the locking mechanism includes a shear pin. A method of tensioning a counterbalancing mechanism may also be provided. The method may include: mounting the counterbalancing mechanism to a shaft; mounting the lock wheel to the shaft; turning the shaft to tension the counterbalancing mechanism; and inserting a shear pin into a hole in the lock wheel to lock the shaft in place.
    • 提供卷帘。 卷帘可以包括:辊; 位于辊中的轴; 可调平衡机构,其构造成抵消所述辊的旋转平衡,其中所述平衡机构构造成赋予所述辊上的旋转力并且通过旋转所述轴来调节所述旋转力; 以及锁定机构,其附接到所述辊并且被构造成以给定的角度方向将所述轴锁定,其中所述锁定机构包括剪切销。 还可以提供张紧平衡机构的方法。 该方法可以包括:将平衡机构安装到轴上; 将锁轮安装到轴上; 转动轴来平衡平衡机构; 并将剪切销插入锁定轮的孔中,以将轴锁定在适当的位置。