| 发明名称 | Drum head and drum | ||
| 摘要 | A drum head includes a skin having an inner skin and an outer skin formed integrally with an outer edge of the inner skin. The inner skin has a plurality of openings arranged in a circumferential direction of the inner skin. An outline of each of the plurality of openings has an inner end portion in a radial direction of the skin in plan view, and the inner end portion protrudes and tapers inward in the radial direction. | ||
| 申请公布号 | US9472175(B2) | 申请公布日期 | 2016.10.18 |
| 申请号 | US201615051934 | 申请日期 | 2016.02.24 |
| 申请人 | YAMAHA CORPORATION | 发明人 | Wada Yohei;Hashimoto Ryuji |
| 分类号 | G10D13/02 | 主分类号 | G10D13/02 |
| 代理机构 | Rossi, Kimms & McDowell LLP | 代理人 | Rossi, Kimms & McDowell LLP |
| 主权项 | 1. An apparatus, comprising: a drum head comprising a skin, the skin comprising an inner skin and an outer skin formed integrally with an outer edge of the inner skin, wherein the inner skin comprises a plurality of openings arranged in a circumferential direction of the inner skin, and wherein an outline of each of the plurality of openings comprises an inner end portion in a radial direction of the skin in plan view, and the inner end portion protrudes and tapers inward in the radial direction. | ||
| 地址 | Hamamatsu-shi JP | ||