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Height adjustable light shaft has a shaped perform locating into a base section of the shaft
Height adjustable light shaft has a shaped perform locating into a base section of the shaft
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机译:高度可调节的光轴具有成形的执行机构,可定位在光轴的底部
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摘要
A height adjustable light shaft in building construction has a U-shaped fitting which telescopes into a fixed lower shaft section and which is positioned at a selected height w.r.t. the fixed section. The U-section can be made of any suitable material including steel, cast metal and plastic. It has a lipped top which is made in one piece with the U-section or which is welded to the U-section.
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