| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a slide system of cable duct the connection of which becomes needless and which can be installed merely by drawing out one end of itself. SOLUTION: For a slide system of cable duct, a plurality of ducts are analogous in sectional form, and besides other ducts 2 and 3 excluding the duct 1 the largest in sectional form can be housed by sliding in this duct 1 of the largest section form, and the cable duct is constituted by drawing out each duct 2 and 3, so they can be carried in the length of one piece of duct, and besides due to no necessity of connection, this can be inserted and installed even in the place with restriction such as the inspection port to the back of the ceiling.</p> |
