| 摘要 |
A connector assembly includes a hollow rectangular tubular member having keyhole apertures therein with large rounded upper head portions and narrow rectangular neck portions. A cylindrical connector has an axially extending projection at one end with a square neck and circular head which are respectively matable with the neck and head portions of the keyhole aperture for non-rotatable mounting therein. The connector has a radial internally threaded bore for receiving a rod to support associated structures. The connector may be mounted in any of four positions so that the rod extends up, down or laterally. The connector has circumferential and longitudinal grooves to facilitate holding in telescoping relation thereover an associated hollow cylindrical sleeve, which may additionally be locked in place by a setscrew received through the sleeve and into the bore.
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