| 摘要 |
<p>PROBLEM TO BE SOLVED: To relieve the impact on persons carrying a drum and to impart a live motion feeling to a truck. SOLUTION: The truck 1 to be loaded with the drum base is produced and spring steels 2 and hydraulic jack to adjust the height are mounted on the truck 1. As a result, the drum base truck 1 is provided with elasticity, thereby, a drum base easily to be born by people is obtd. The height of the drum base and the truck 1 are made adjustable by the hydraulic jack. The spring steels 2 which spring and sway vertically as if tufts are broken are mounted at the truck 1 so that the live motion feel visible to the eyes is imparted and that the drum base is made to appear beautiful and magnificent.</p> |
