| 摘要 |
<p>Single- or multi-part cable duct (1) with U-shaped cross-section is contained in underfloor cable duct system. It incorporates several adjustable levelling elements (13) for adapting cable duct to surfaces of floors, walls and ceilings.Levelling elements are located within floor region of U-shaped cable duct and are adjustable via duct inner space (10). There is also one or several cover members (12) for closing cable duct. Preferably, adjusting screws are used as levelling elements, engaging threads of nuts on, or in, floor of cable duct.</p> |
