SUPPORTING SYSTEM FOE CABLES, IN PARTICULAR TELECOMMUNICATION AND DATA COMMUNICATIONS ONE, METHOD OF LAYING AND SECURING SUCH CABLES AND CABLE TRAY THEREFOR

摘要

A cable support system provides the organization and support for bundles or runs of communication or database cables, for example, which avoids the common problems and mess usually associated with the distribution of such cabling. The system is designed to be a low cost and easier to install tray, supporting runs or bundles of cable from a building structure such as a structural ceiling, beam, girder, or purlin, and above a suspended acoustical ceiling. The system is suspended by common threaded rod from a wide variety of fasteners hanging the rod from various structures. The rod supports a primary hanger which includes an upwardly opening generally rounded support symmetrically below the rod with one side of the support extending integrally to the rod connection. The other side of the primary hanger is open so that a secondary hanger may be inserted in and fastened to the inside of the upwardly opening support. This makes the entire cross section of the tray accessible from one side. The secondary hanger is formed from a roll of flexible open plastic mesh having oriented strands. Lengths of the secondary hanger form an upwardly opening trough supported by spaced primary hangers. The mesh is secured to the inside of the primary hangers by spring clips, and plastic splice clips may be used to join lengths of such mesh, or may be used in the fabrication of various transitions or branches. When the cable is in the trough formed by the secondary hanger, the open side of the primary hanger is closed by a connecting strap which also symmetrically transfers the load to both sides of the upwardly opening support. A wire form transition to which the secondary hanger is secured by the splice clips includes bendable components and can be used to form curves, elbows, changes in elevation, or Tees, and the like. The system is inexpensive and may be installed above suspended ceilings without removing the grid or frame work. IMAGE