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    • 21. 发明授权
    • Joint clamp for joining intersecting brace members and method for making
same
    • 用于连接相支撑件的接头夹具及其制造方法
    • US4011638A
    • 1977-03-15
    • US642180
    • 1975-12-18
    • Jack A. HoltPhilip A. Torbet
    • Jack A. HoltPhilip A. Torbet
    • E04G7/16E04G21/26F16B7/04A44B21/00B25G3/36
    • E04G21/26E04G7/16F16B7/0493Y10T403/342Y10T403/7158
    • A joint clamp particularly useful in joining braces of the type used temporarily to brace concrete slabs employed in tilt-up construction. The clamp can be installed onto a cylindrical brace without the employment of tools and without access to either end of the brace. It comprises, as a principal component, a tubular member that defines an opening having a generally cylindrical cross-section corresponding to the cross-sectional size of the brace. The wall forming the cylindrical opening is formed with a helically extending slot having a width, in an oblique direction, slightly larger than the cylindrical brace so that the clamp can be placed on the brace in an oblique position and then twisted into parallelism with the brace to snugly embrace the brace. The tubular member carries one or more secondary clamps for securing cooperating secondary brace members thereto.
    • 一种连接夹具,特别适用于临时用于支撑倾斜施工中使用的混凝土板的类型的支架。 夹具可以安装在圆柱形支架上,而不需要使用工具,无需进入支架的任一端。 它包括作为主要部件的管状构件,其限定具有对应于支架的横截面尺寸的大致圆柱形横截面的开口。 形成圆柱形开口的壁形成有螺旋形延伸的狭槽,其倾斜方向上的宽度略大于圆柱形支柱,使得夹具可以以倾斜位置放置在支架上,然后与支架扭曲成平行度 紧紧地拥抱大括号。 管状构件承载一个或多个次级夹具,用于将协作的辅助支撑构件固定到其上。