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    • 31. 发明申请
    • Impactable bottom curtain for a rolling steel door
    • 用于滚动钢门的可冲击底幕
    • US20050205218A1
    • 2005-09-22
    • US10803150
    • 2004-03-17
    • Ronald SnyderLinda KasperJason MillerDonald GrantPaul Maly
    • Ronald SnyderLinda KasperJason MillerDonald GrantPaul Maly
    • E06B3/48E06B7/22E06B9/17E06B9/80G08B13/08
    • E06B3/485E06B7/22E06B9/17046E06B9/80
    • To avoid repeated damage to a lower section of a metal roll-up door, the lower section is replaced by a more impactable curtain assembly. The curtain assembly is so readily scalable, horizontally and vertically, that much of it can be manufactured and field assembled right at the installation site. The curtain assembly may comprise one or more strips of fabric that are cut from a roll of a certain width. The length of the fabric strips corresponds to the width of the doorway, and the number of strips is based on the vertical span of the door section that is being replaced. Windbars can be attached where adjacent strips connect to each other. A weighted, semi-rigid bottom bar reinforces the lower edge of the finished roll-up curtain. Under impact, the bottom bar has sufficient flexibility to allow the curtain to resiliently break away from within the door's vertical guide tracks.
    • 为了避免对金属卷帘门的下部重复损坏,下部由更易冲击的帘组件代替。 幕帘组件是如此容易的水平和垂直伸缩,其大部分可以在安装现场进行制造和现场组装。 帘幕组件可以包括从一定宽度的卷切割的一个或多个织物条。 织物条的长度对应于门口的宽度,并且条的数量是基于被更换的门部分的垂直跨度。 可以在相邻条带相互连接的地方安装风车。 加强的半刚性底杆加强了成品卷帘的下边缘。 在冲击下,底杆具有足够的灵活性,以允许窗帘弹性地从门的垂直导轨内脱离。