| 摘要 |
PROBLEM TO BE SOLVED: To provide a hole cup capable of generating a cup-in sound akin to that of a real cup, while securing smoothness around a cup.SOLUTION: A hole cup 10 is provided in a floor structure 1 that comprises a floor skeleton 2, and a floor slab 3 supported on the floor skeleton 2 via a short support. A floor through-hole 5 is formed in the floor slab 3. The hole cup 10 comprises an approximately cylindrical cup body 20 that is held in the state of being sandwiched between the floor skeleton 2 and the floor slab 3 directly below the floor through-hole 5, and a sound generation plate 33 that is supported on the bottom surface of the cup body 20 via a support 32. |
