| 摘要 |
<p>The invention concerns a linking device for lighting fixture mast (10), for linking one or several lighting fixture arms (20) supporting lighting appliances to said mast (10), characterised in that said mast (10) is tubular, said linking device comprising a hollow ring (1) provided with a lower axial opening (3), wherein is connected the top end of the mast (10) or a connecting element (11) integral with said mast (10), and one or several radial openings (5) wherein is connected one end of a respective lighting appliance, said ring (1) comprising a central cylindrical axial bore (2) defining at least the lower axial opening (3), and at least a blind radial recess (6) open on the central cylindrical bore (2), and closed outwards by a base wall (7), one or several of said recesses (6) being opened by machining the base wall (7) to form the radial opening(s), depending on the desired number of arms (20) to be linked to said mast (10).</p> |
