(57) An assembly for forming a ceiling with longitudinal and transversal girders to be
suspended on hangers, adapted for supporting ceiling panels, the longitudinal girders
being hollow and being adapted for accommodating wires therein, said longitudinal
girders consisting of two substantially U-shaped channels adapted to be secured with
their flat bottoms together by means of coupling elements provided with claws which
can be inserted through corresponding keyholes in both bottoms and can be fixed therein
by being rotated, which coupling elements can, moreover, be adapted for supporting
wires. Columns can be connected to the lower channel of a girder by means of tensioning
plates to be inserted in lateral openings of this channel, and transversely directed
girders can be secured to longitudinal ones by means of coupling elements to be hooked
to the longitudinal girders.
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