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    • 2. 发明授权
    • Safety cord pull apparatus
    • 安全绳牵引装置
    • US5971054A
    • 1999-10-26
    • US187795
    • 1998-11-06
    • Raphael A. Gobidas
    • Raphael A. Gobidas
    • E06B9/326E06B9/30
    • E06B9/326E06B2009/3265Y10S160/90Y10T16/68Y10T24/39Y10T24/3936Y10T24/3982
    • A safety cord-pull apparatus has a top portion and a bottom portion which include raised waves to secure control cords from a blind. A razor blade molded into the cord-pull apparatus cuts the control cords in the event a child or small pet becomes entangled within the control cords. An alternate cord-pull apparatus is also provided which has a circular housing through which the control cords are disposed. The control cords are cut by a sharpened edge in a cap on the housing or by a sharpened washer located inside the housing. The cord-pull apparatus also includes a pull cord that hangs below the control cord-pull apparatus to operate a blind. The method for assembling the cord-pull apparatus includes placing control cords into chutes and over raised waves, folding the top portion of the cord-pull apparatus unto the bottom portion of the cord-pull apparatus, adjusting the control cords level with regards to the blind, and cutting the control cords. A single control cord may be left uncut by using a blunted serrated razor blade, a sheath to cover one of the control cords, or a rail through which one of the control cords is placed during assembly.
    • 安全拉绳装置具有顶部和底部,其包括升高的波浪以将控制线从盲板固定。 如果幼儿或小宠物在控制线内缠结,则模制成拉绳装置的剃须刀切割控制线。 还提供了一种替代的拉绳装置,其具有圆形壳体,控制线通过该外壳设置。 控制绳由壳体上的帽中的锋利边缘或位于壳体内部的锋利的垫圈切割。 牵引装置还包括一个拉绳,其悬挂在控制拉绳装置的下面以操作盲人。 用于组装拉绳装置的方法包括将控制绳放置在滑槽和超高波中,将拉绳装置的顶部折叠到拉绳装置的底部,相对于绳索拉伸装置的底部调节控制帘线水平 盲目,切断控制线。 通过使用钝化的锯齿状剃刀刀片,护套来覆盖控制绳索之一或在组装期间放置一个控制绳索的轨道,可以使单个控制线未切割。