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公开(公告)号：US20190066640A1
公开(公告)日：2019-02-28
申请号：US15701263
申请日：2017-09-11
发明人： Chien Ru Yeh
IPC分类号： G10G7/00
摘要： A musical instrument case includes a first housing and a second housing that are hollow to collectively provide a space for accommodating a musical instrument; and a ridge disposed on the first housing to define a predetermined area. The second housing has at least one recess with a contour corresponding to a periphery of the ridge. Accordingly, the ridge on the first housing embeds in the recess of the second housing when two musical instrument cases are stacked.
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公开(公告)号：US09293123B2
公开(公告)日：2016-03-22
申请号：US14457314
申请日：2014-08-12
发明人： Liang Fan
摘要： A portable guitar stand has two stand racks, two supporting racks and two holding racks. The stand racks are pivotally connected to each other. The supporting racks are respectively and pivotally connected to the stand racks. The holding racks are respectively and pivotally connected to the stand racks. The holding rack and the supporting rack are pivotally connected to different sides of the corresponding stand rack. When the guitar stand is folded, the stand racks, the supporting racks and the holding racks are parallel to each other. When expanded, the supporting racks and the holding racks, which extend toward different sides, may firmly support the guitar on the guitar stand. When folded, the stand racks, the supporting racks and the holding racks are parallel to each other, thereby lowering the volume of the guitar stand for ease of transportation and storage.
摘要翻译： 便携式吉他支架有两个支架，两个支架和两个支架。 支架彼此枢转连接。 支撑架分别枢转地连接到支架上。 保持架分别枢转地连接到支架上。 保持架和支撑架可枢转地连接到相应支架的不同侧面。 当吉他架折叠时，支架，支架和保持架彼此平行。 当扩展时，向不同侧延伸的支撑架和保持架可以牢固地支撑在吉他架上的吉他。 折叠时，支架，支架和保持架彼此平行，从而降低了吉他架的体积，便于运输和储存。
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公开(公告)号：US20150206519A1
公开(公告)日：2015-07-23
申请号：US14189419
申请日：2014-02-25
发明人： Yi Hsien LIN
IPC分类号： G10D13/02
CPC分类号： G10D13/028 , G10D13/027
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20150161975A1
公开(公告)日：2015-06-11
申请号：US14457314
申请日：2014-08-12
发明人： Liang FAN
摘要： A portable guitar stand has two stand racks, two supporting racks and two holding racks. The stand racks are pivotally connected to each other. The supporting racks are respectively and pivotally connected to the stand racks. The holding racks are respectively and pivotally connected to the stand racks. The holding rack and the supporting rack are pivotally connected to different sides of the corresponding stand rack. When the guitar stand is folded, the stand racks, the supporting racks and the holding racks are parallel to each other. When expanded, the supporting racks and the holding racks, which extend toward different sides, may firmly support the guitar on the guitar stand. When folded, the stand racks, the supporting racks and the holding racks are parallel to each other, thereby lowering the volume of the guitar stand for ease of transportation and storage.
摘要翻译： 便携式吉他支架有两个支架，两个支架和两个支架。 支架彼此枢转连接。 支撑架分别枢转地连接到支架上。 保持架分别枢转地连接到支架上。 保持架和支撑架可枢转地连接到相应支架的不同侧面。 当吉他架折叠时，支架，支架和保持架彼此平行。 当扩展时，向不同侧延伸的支撑架和保持架可以牢固地支撑在吉他架上的吉他。 折叠时，支架，支架和保持架彼此平行，从而降低了吉他架的体积，便于运输和储存。
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