| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a drain ditch cover structure constituted by a receiving frame for maintenance and a decorative ditch cover, providing firm construction with a simple mechanism, facilitating attachment and detachment of the ditch cover, and capable of improving maintainability by providing a wide opening for cleaning and so on.SOLUTION: A fastening plate 353 included in a grating is inserted into a pair of supporters 14, 23 provided respectively in a receiving frame 1 and a decorative ditch cover 2, and is then fastened with a bolt to hold the supporters 14, 23 between a bottom portion of the grating and an upper portion of the fastening plate.</p> |
