| 摘要 |
A grating is provided to absorb the impact, delivered from the top, via the buffer members mounted on the bottom, thereby preventing noise generation. A grating comprises supports(20) welded to be inclined inside a square frame(10), a plurality of reinforcements(12) installed at regular intervals between the supports, a gap(24) formed between the square frame and the support, and a protrusion(22) combined in a part of the support in order to prevent the separation of a buffer member(30) inserted in the gap. |
