| 摘要 |
A new joint construction is provided for connecting main members and cross members of a suspended ceiling grid. Both members are in the form of I-bea ms having a central web and top and bottom flanges projecting at opposite sides of the web, and the top flanges of the main members have depending lips at their edges. Each joint construction includes a notch in a depending lip capable of receiving the web of a cross member, and opposed slots in the top flange of the end portion of the cross member capable of receiving portions of depending lip on each side of the notch. The lower flange and web of the cross member end portion are configured to allow the lip to be interlocked with the slots by a relative tilting motion between the cr oss member and the main member, and the cross member rests on the main member lower flange when the parts are in their final position. |
