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1. 发明授权

US6102351A Uniform section rotary spreader beam 失效
标题翻译：均匀型旋转吊架梁
公开(公告)号：US6102351A
公开(公告)日：2000-08-15
申请号：US263070
申请日：1999-03-08
申请人： Michael Akrep
发明人： Michael Akrep
IPC分类号： A63J99/00 , B66C1/10 , E04B1/99
CPC分类号： A63J99/00 , B66C1/10
摘要： The invention is a set of two structural tubes joined by an axle with friction bearings. The axle allows the two tube sections to rotate in a plane with respect to each other, producing a relative angle (azimuth) between the two tubes. The axle is made of high strength steel and is threaded. Machined holes are in an evenly distributed pattern on the spines of the tubes. The utility of the invention derives from the uniform section shape of a square tube with a spine, where the spine has a pattern of through holes. The hole pattern is symmetric about the center hole in the pattern. When adjusting the relative angle a between the two structural tubes, four Vernier scales are exposed, two on each structural tube. The four Vernier scales may be viewed for use from the top-left, top-right, bottom-left or bottom-right approach to the device.
摘要翻译：本发明是一组由具有摩擦轴承的轴连接的两个结构管。轴允许两个管部分在相对于彼此的平面中旋转，产生两个管之间的相对角度（方位角）。轴由高强度钢制成，具有螺纹。加工孔在管的脊柱上呈均匀分布的图案。本发明的实用性来自具有脊柱的方管的均匀截面形状，其中脊柱具有通孔图案。孔图案关于图案中的中心孔对称。当调整两个结构管之间的相对角度a时，四个游标刻度被暴露，两个在每个结构管上。四个游标刻度可以从设备的左上，右上，左下或右下方式查看。

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