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    • 8. 发明授权
    • Universal C-clamp for stage accessories
    • 用于舞台配件的通用C型夹
    • US5312079A
    • 1994-05-17
    • US12652
    • 1993-02-03
    • William D. Little, Jr.
    • William D. Little, Jr.
    • F16B2/06F16M13/02F21V21/00F21L15/08
    • F16B2/065F16M13/022F16M13/027F21V21/00
    • A C-clamp for mounting stage accessories has four angled body portions, with one body portion being bent to provide a first acute angle .phi. between the first and second body portions, and a second acute angle .theta. between the second and third body portions, and an approximately right angle .alpha. between the third and fourth body portions. The C-clamp has threaded holes in the first body portion and in the fourth body portion, respectively. The first acute angle is greater than the second acute angle. A tightening bolt in the first threaded hole is positioned to compress a pipe against the second and third body portions. Consequently, the tightening bolt can securely fasten the clamp onto support pipes of various sizes. A mounting bolt is inserted into the second threaded hole either to fasten the C-clamp to a support structure such as a ceiling joist so that the clamp can be used to support a pipe, or to fasten a stage accessory such as a flood light, spot projector or curtain to a pipe. Thus, one type of clamp can be used not only on a range of pipe sizes, but also both to support the pipe and to fasten stage accessories to the pipe.
    • 用于安装台架附件的C形夹具具有四个成角度的主体部分,一个主体部分被弯曲以在第一和第二主体部分之间提供第一锐角phi,并且在第二和第三主体部分之间提供第二锐角θ,以及 在第三和第四主体部分之间的大致直角α。 C形夹具分别在第一主体部分和第四主体部分中具有螺纹孔。 第一锐角大于第二锐角。 第一螺纹孔中的紧固螺栓定位成将管道压靠在第二和第三主体部分上。 因此,紧固螺栓可以将夹具牢固地固定到各种尺寸的支撑管上。 将安装螺栓插入第二螺纹孔中,以将C形夹固定到诸如天花板托梁的支撑结构上,使得夹具可用于支撑管道,或者固定诸如泛光灯的台架附件, 点投影机或窗帘到管道。 因此,一种类型的夹具不仅可以在一定范围的管道尺寸上使用,而且可以用于支撑管道并将工作台附件固定到管道上。
    • 9. 发明授权
    • Concentric lay stranding for optical fiber cable
    • 光纤同轴绞合
    • US6160938A
    • 2000-12-12
    • US293566
    • 1999-04-15
    • William D. Little, Jr.
    • William D. Little, Jr.
    • G02B6/00G02B6/04G02B6/44
    • G02B6/04G02B6/0001G02B6/443G02B6/4434Y10S385/901
    • Multiple groups of optical fibers are laid in concentric helical layers around a central core. A first layer is wound or laid around the core with adjacent lap segments touching each other, thus eliminating axial spacing between the lap segments along the core. The next group contains a greater number of optical fibers and is helically laid around the first layer, with adjacent lap segments touching each other. This winding process is continued, with the number of optical fibers in each successive winding group progressively increasing until a desired cable diameter is obtained. Improved surface uniformity is provided by laying the helical layers with a reversed direction of lay and with increased length of lay in each successive layer. According to another arrangement, improved luminosity is provided by laying the helical layers with reversed direction of lay and with the same length of lay in each successive layer. Additionally, a tighter (relatively dense) packing of fiber is provided by laying the helical layers with the same direction of lay and with the same length of lay for each successive layer.
    • 多组光纤被围绕中心芯放置在同心螺旋层中。 第一层被缠绕或围绕芯部缠绕,相邻的搭接部分彼此接触,从而消除沿着芯部的搭接部分之间的轴向间隔。 下一组包含更多数量的光纤,并且被螺旋地放置在第一层周围,相邻的片段彼此接触。 该卷绕过程继续进行,每个连续卷绕组中的光纤数量逐渐增加,直到获得所需的电缆直径。 通过以相反的铺设方向布置螺旋层并且在每个连续层中铺设长度的铺设来提供改进的表面均匀性。 根据另一种布置,通过以相反的铺设方向铺设螺旋层并且在每个连续的层中铺设相同的铺设长度来提供改进的亮度。 另外,通过以相同的铺设方向铺设螺旋层并且对于每个连续的层具有相同的铺设长度来提供更紧密(相对致密的)纤维填料。
    • 10. 发明授权
    • Light feature
    • 灯光特征
    • US08360613B2
    • 2013-01-29
    • US12870772
    • 2010-08-27
    • William D. Little, Jr.
    • William D. Little, Jr.
    • F21V29/00
    • F21V15/01F21V29/71F21V29/77F21V29/83F21Y2115/10F28D2021/0029F28F3/02F28F13/08
    • A lighting apparatus includes a light source module and a heat dissipation module. The light source module emits light and generates heat. The heat dissipation module dissipates at least a portion of the heat, and includes a base portion to which the light source module is physically coupled. The heat dissipation module also includes a plurality of heat dissipation fins. At least two of the fins that are immediately adjacent to one another form an air channel having a first opening and a second opening between the at least two of the fins. The air channel has a generally decreasing cross-sectional area with respect to air rising up the air channel in a generally vertical direction with respect to a horizontal plane as the air enters the air channel through the first opening and exits the air channel through the second opening.
    • 照明装置包括光源模块和散热模块。 光源模块发光并产生热量。 散热模块消耗至少一部分热量,并且包括光源模块物理耦合到的基部。 散热模块还包括多个散热片。 彼此紧邻的至少两个翅片形成具有第一开口的空气通道和在所述至少两个翅片之间的第二开口。 当空气通过第一开口进入空气通道时,空气通道相对于空气通道在大致垂直方向上相对于水平面上升的横截面积通常减小,并且通过第二通道 开放