| 摘要 |
PURPOSE: A steel grating is provided to enable easy installation in a waterway and prevent the accumulation of soil or foreign materials using rainwater. CONSTITUTION: A steel grating comprises a waterway cover(10), a support frame(30), and a fastening unit. The waterway cover comprises an end frame(11), a plurality of bearing bars(12), and a plurality of cross bars(13). The bearing bars are formed at regular intervals inside the end frame. The cross bars are installed across the bearing bars. The support frame has a support projection(33) on the interior in order to receive and support the waterway cover. The fastening unit joins the support frame and the waterway cover. |
