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    • 9. 发明申请
    • MUSICAL DRUM
    • 音乐鼓
    • US20150206519A1
    • 2015-07-23
    • US14189419
    • 2014-02-25
    • K.H.S. MUSICAL INSTRUMENT CO., LTD.
    • Yi Hsien LIN
    • G10D13/02
    • G10D13/028G10D13/027
    • A musical drum includes a hollow cylindrical shell; a drumhead tightly stretched over and sealing each end of the shell, so as to form a resonance chamber between the drumheads and the shell; and two counterhoops fixed around the two drumheads to hold them on the shell. The shell is provided on at least one end with a flat contact surface for horizontally contacting with the drumhead. The flat contact surface has a radially outer edge forming a curved surface downward extended to an outer circumferential surface of the shell, and a radially inner edge forming a bevel downward extended to an inner circumferential surface of the shell. With the flat contact surface and the curved surface, the drumheads can be more tightly attached to the shell, allowing the vibration of the drumheads to be efficiently transmitted to the shell to produce more saturated resonant frequency and good sound sustainability.
    • 音乐鼓包括中空的圆柱形外壳; 一个鼓垫紧紧地拉伸并密封壳体的每个端部,以便在鼓头和壳体之间形成共振室; 和两个反孔固定在两个鼓头上以将其保持在壳体上。 外壳在至少一端设置有平坦的接触表面,用于与鼓头水平接触。 平坦接触表面具有径向外边缘,形成向下延伸到外壳的外周面的弯曲表面,以及形成向下延伸到壳体内周表面的斜面的径向内边缘。 通过平坦的接触表面和弯曲表面,鼓头可以更紧密地附接到外壳,从而使鼓头的振动能够有效地传递到外壳,以产生更多的饱和谐振频率和良好的声音可持续性。
    • 10. 发明授权
    • Reinforced drum shell
    • 加强鼓壳
    • US09076414B1
    • 2015-07-07
    • US14254600
    • 2014-04-16
    • Ronn Dunnett
    • Ronn Dunnett
    • G10D13/02
    • G10D13/028
    • Disclosed herein is a hybrid edge drum shell having unpaired edges. The drum shell includes a substantially cylindrical drum wall having an upper edge and a lower edge; a sloped surface angled radially inward and vertically downward from the upper edge; the sloped surface having an inner edge radially inward and vertically below the upper edge; and wherein the lower edge of the drum wall is not substantially radially inward therefrom. The drum shell may be made of metal, wood, composites, or other materials.
    • 本文公开了具有不成对边缘的混合边缘鼓壳。 鼓壳包括具有上边缘和下边缘的基本上圆柱形的鼓壁; 从上边缘径向向内和垂直向下倾斜的倾斜表面; 所述倾斜表面具有沿所述上边缘的径向向内和垂直的内边缘; 并且其中鼓壁的下边缘基本上不径向向内。 鼓壳可以由金属,木材,复合材料或其他材料制成。