| 摘要 |
PROBLEM TO BE SOLVED: To provide a cable duct, which can be installed in a place where there is much dust, and prevents missing and drop of bolts and nuts removed. SOLUTION: The cable duct has a main part to receive cables and a cover to close the main part, and the main part and the cover is connected with bolts and nuts. Nuts are solidly fixed on the main part, and connecting plates which are each formed apart against the cover are formed on the cover, and a bolt inserting hole is formed on each connecting plate. Each bolt is held on the connecting plate by mounting a stopper on the shaft of the bolt in the condition that the bolt is inserted through the bolt inserting hole. |
