| 摘要 |
<p>A supporting structure for an elongated tray, such as a trough or rack, which is used to contain and support a multiplicity of cables running through a building, includes an elongated arm member which extends transversely beneath the tray, one end of the elongated arm member being connectable to a building wall or to a celling-strut suspended from a ceiling, and an elongated axial power strut which has one end connected to the elongated arm member near the end connectable to a building wall or ceiling-strut and the other end connected to the floor of the tray, the strut extending so as to enclose an angle of preferably 45.degree. with the elongated arm member.</p> |
