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    • 6. 发明授权
    • Fastening system for triangularly shaped surfaces
    • 三角形表面紧固系统
    • US5553967A
    • 1996-09-10
    • US318078
    • 1994-10-05
    • Sachiko Uozumi
    • Sachiko Uozumi
    • A63H33/10A63H33/00
    • A63H33/10Y10T403/70Y10T403/7152
    • A fastening system for triangularly shaped surfaces is provided. Fasteners are located equidistant from the apexes of triangles formed from lines bisecting adjacent sides of the triangularly shaped surface and an apex of the triangularly shaped surface. A rotated fastener is located at the midpoint of the triangularly shaped surface. The fasteners have three bumps and possibly three dents disposed in a generally circular pattern with side walls perpendicular to the surface of the triangularly shaped surface. The rotated fastener is similar to the fasteners only rotated 60.degree.. Two triangularly shaped surfaces may be fastened together by aligning them such that the bumps from one triangularly shaped surface are received in the spaces between adjacent bumps or dents of the other triangularly shaped surface and are held closely by friction between the side walls. The fastening system is also suitable for fastening tetrahedrons or other solids having triangularly shaped surfaces.
    • 提供三角形表面的紧固系统。 紧固件与从三角形表面的相邻侧面平行的线和三角形表面的顶点形成的三角形顶点等距。 旋转的紧固件位于三角形表面的中点。 紧固件具有三个凸起,并且可能具有三个凹陷,其以大致圆形图案设置,侧壁垂直于三角形表面。 旋转的紧固件类似于仅旋转60度的紧固件。 两个三角形表面可以通过对准它们而紧固在一起,使得一个三角形表面的凸起被接收在另一个三角形表面的相邻凸起或凹坑之间的空间中,并且通过侧壁之间的摩擦紧密地保持。 紧固系统还适用于紧固具有三角形表面的四面体或其它固体。