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31. 发明授权

US4300437A Sectionalized musical drums 失效
标题翻译：分段音乐鼓
公开(公告)号：US4300437A
公开(公告)日：1981-11-17
申请号：US815405
申请日：1977-07-13
申请人： Fred D. Hinger , William D. Hinger
发明人： Fred D. Hinger , William D. Hinger
IPC分类号： G10D13/00 , G10D13/02
CPC分类号： G10D13/021 , G10D13/028
摘要： The complete drum comprises two, axially-separable, generally cylindrical sections, which are open, inwardly, toward each other, each of these two sections having but one playing head, so that the two heads are disposed respectively at the outer ends of the cylindrical assembly. When the open ends of these two basic sections are axially spaced-apart to provide an annular gap between them, the space within said sections communicates with the ambient air, through said gap, substantially uniformly around the periphery of the drum. This construction, with gap, is intended to provide any desired increase in volume, and a great variety of tonal modifications.Means are provided for adjustably varying the size of the gap, or for closing it altogether; whereby the volume, pitch, dynamics, and tonal characteristics of the drum may be varied. This may be done by using adjustable holding means, and/or by using perforate or imperforate cylindrical filler pieces.
摘要翻译：整个滚筒包括两个可轴向分离的大致圆柱形部分，它们彼此敞开，向内，每个这两个部分具有一个游戏头，使得两个头部分别设置在圆柱形的外端部件。当这两个基本部分的开口端轴向间隔开以在它们之间提供环形间隙时，所述部分内的空间通过所述间隙大致均匀地围绕滚筒的周边连通环境空气。这种具有间隙的结构旨在提供任何期望的体积增加和各种各样的色调修改。提供了用于可调节地改变间隙的尺寸或者完全闭合的装置; 从而可以改变滚筒的体积，音调，动态和音调特性。这可以通过使用可调保持装置和/或通过使用穿孔或无孔圆柱形填充件来完成。

32. 发明授权

US4289056A Percussion kit 失效
标题翻译：打击乐器
公开(公告)号：US4289056A
公开(公告)日：1981-09-15
申请号：US78750
申请日：1979-09-25
申请人： Stephen F. Shier
发明人： Stephen F. Shier
IPC分类号： G10D13/00 , G10D13/02
CPC分类号： G10D13/028
摘要： A collapsible drum, the drum having flexible side walls formed of a pair of generally parallel walls, the walls being adapted to be inflated to hold the drum in erected condition and deflated to allow the drum to collapse for transportation and storage.
摘要翻译：一个可折叠的滚筒，滚筒具有由一对大致平行的壁形成的柔性侧壁，该壁适于充气以将滚筒保持在直立状态并放气以允许滚筒塌陷以便运输和储存。

33. 发明授权

US4121493A Adjustable pitch drum 失效
标题翻译：可调俯仰鼓
公开(公告)号：US4121493A
公开(公告)日：1978-10-24
申请号：US831686
申请日：1977-09-08
申请人： Randall L. May
发明人： Randall L. May
IPC分类号： G10D13/00 , G10D13/02
CPC分类号： G10D13/028 , G10D13/023
摘要： An adjustable pitch drum consists of a drum shell of any suitable shape having an open end, a drum head pitch changing mechanism, and a supporting structure mounting the pitch changing mechanism to the drum shell. The pitch changing mechanism consists of a threaded rod adjustably threaded to the supporting structure, a drum head clamping hoop mounted coaxially on the rod for rotation thereabout, and a drum head tensioning hoop non-rotatably mounted on the other end of the rod. Rotation of the drum head and its clamping hoop about the rod varies the tension of the drum head on the tensioning hoop, thereby changing the pitch of the drum. Movement of the threaded rod in the supporting structure changes the spacing of the drum head from the drum shell open end, thereby changing the resonance characteristics of the drum assembly.
摘要翻译：可调俯仰鼓由具有开口端的任何合适形状的鼓壳，鼓头俯仰改变机构和将俯仰改变机构安装到鼓壳的支撑结构构成。间距改变机构包括可调节地连接到支撑结构的螺纹杆，同轴地安装在杆上用于在其周围旋转的鼓头夹紧箍，以及不可旋转地安装在杆的另一端的鼓头张紧箍。鼓头及其夹持环围绕杆的旋转改变了鼓头在张紧环上的张力，从而改变了滚筒的间距。螺杆在支撑结构中的运动改变了鼓头与鼓壳开口端的间距，从而改变了鼓组件的共振特性。

34. 发明授权

US4060019A Adjustable drum 失效
标题翻译：可调鼓
公开(公告)号：US4060019A
公开(公告)日：1977-11-29
申请号：US715587
申请日：1976-08-18
申请人： Charles P. Cordes
发明人： Charles P. Cordes
IPC分类号： G10D13/02
CPC分类号： G10D13/028
摘要： The adjustable drum is comprised of two cylindrical shells which are telescopically arranged for axial adjustment with respect to each other. At least one of the shells is constructed of metal and a separate set of casings for each drum head are provided on each shell. A plurality of spaced apart insulating strips are disposed between the shells which can be adjusted in a stepwise manner relative to each other. Special adapter plate is provided on one of the shells for supporting a conventional snare strainer mechanism.
摘要翻译：可调节滚筒由两个圆柱形壳体组成，它们可伸缩地布置成相对于彼此轴向调节。至少一个壳体由金属构成，每个壳体上都设置有用于每个鼓头的独立套管。多个间隔开的绝缘条被设置在壳之间，其可以相对于彼此以逐步方式调节。在其中一个壳体上设有特殊的适配器板，用于支撑常规的圈套过滤器机构。

35. 发明授权

US859036A Collapsible bass-drum. 失效
标题翻译：可折叠低音鼓。
公开(公告)号：US859036A
公开(公告)日：1907-07-02
申请号：US1906329621
申请日：1906-08-07
申请人： BAGGS CLARENCE A
发明人： BAGGS CLARENCE A
CPC分类号： G10D13/028

36. 发明授权

US673633A Drum. 失效
公开(公告)号：US673633A
公开(公告)日：1901-05-07
申请号：US1900041616
申请日：1900-12-31
申请人： BOULANGER EMILE
发明人： BOULANGER EMILE
CPC分类号： G10D13/028 , G10D13/023

37. 发明申请

US20190251934A1 PERCUSSION INSTRUMENT 审中-公开
公开(公告)号：US20190251934A1
公开(公告)日：2019-08-15
申请号：US16397170
申请日：2019-04-29
申请人： YAMAHA CORPORATION
发明人： Ryuji HASHIMOTO , Noritaka NAGAI , Banri ABE
IPC分类号： G10D13/02
CPC分类号： G10D13/021 , G10D13/00 , G10D13/02 , G10D13/028
摘要： Provided is a percussion instrument including a substantially cylindrical barrel and a weight fixed to the barrel. More specifically, a plurality of weights 5A to 5D may be provided on the inner circumferential surface of a shell 2 of a drum 1 (a percussion instrument). The weights 5A to 5D may be provided at positions where the weights 5A to 5D have four-fold rotational symmetry in the circumferential direction of the shell 2. The weights 5A to 5D may be each provided between lugs 3 that are provided adjacent to each other on the outer circumferential surface of the shell 2.

38. 发明申请

US20180211640A1 PERCUSSION INSTRUMENT WITH ADJUSTABLE AUXILIARY DEVICE 审中-公开
公开(公告)号：US20180211640A1
公开(公告)日：2018-07-26
申请号：US15872914
申请日：2018-01-16
申请人： DRUM WORKSHOP, INC.
发明人： RICHARD A. SIKRA
IPC分类号： G10D13/02
CPC分类号： G10D13/021 , G10D13/025 , G10D13/026 , G10D13/028
摘要： Percussion instruments such as cajóns including auxiliary devices such as snares are disclosed. The positioning of the auxiliary device or devices with respect to the main body of the percussion instrument can be adjustable so as to produce different sounds depending upon the auxiliary device position. In one embodiment, a lever device on the back of a cajón is used. The lever device is linked to one or more snares by an adjustment rod and/or an auxiliary bar. As the lever device is adjusted, the positioning of the one or more snares and the amount of the snare wires that is in contact with the back of the tapa is adjusted, resulting in different sounds when the cajón is played.

39. 发明申请

US20180137843A1 REDUCED VOLUME DRUMS AND COMPONENTS THEREOF 审中-公开
公开(公告)号：US20180137843A1
公开(公告)日：2018-05-17
申请号：US15711447
申请日：2017-09-21
申请人： John V. Roderick
发明人： John V. Roderick
IPC分类号： G10D13/02
CPC分类号： G10D13/021 , G10D13/022 , G10D13/025 , G10D13/027 , G10D13/028
摘要： A reduced volume snare drum has a top face and a bottom face; and a snare assembly is releasably secured to the bottom face. The reduced volume snare drum includes a drum shell, a top drumhead hoop for mounting the top drumhead to the drum shell, and at least one snare mount for mounting the snare assembly to one of the drum shell or the top drumhead hoop and in contact with the bottom face. In one embodiment, the top drumhead is fabricated with a three-dimensional knitted fabric having two separate knitted substrates which are joined together by a filament or fiber

40. 发明授权

US09905206B2 Cajon 有权
公开(公告)号：US09905206B2
公开(公告)日：2018-02-27
申请号：US14645236
申请日：2015-03-11
申请人： Eric Jay Alexander
发明人： Eric Jay Alexander
IPC分类号： G10D13/02
CPC分类号： G10D13/028 , G10D13/022 , G10D13/025 , G10D13/027
摘要： Cajones or cajon drums include a variety of improvements over existing cajones. Improvements include improved rigidity of sides other than a side containing a striking surface to prevent loss of volume, a vent hole located on a same side as the striking surface, the use of layers of maple to provide the striking surface, the use of added masses on the striking surface to modify the fundamental frequency of the striking surface, the use of a receptacle containing small metal (copper or silver) items to provide a snare effect, internal dimensions of the cajon chosen to match resonant frequencies of a selected style of music, and the use of damping materials in the cajones to modify the tone.

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