| 摘要 |
A fastening apparatus and method for securely connecting a platform structure to a support element. A non-circular aperture is formed by joining two adjacent holes in an apertured platform structure. A seat element is provided, having a flat portion surrounding an aperture, the aperture in the seat element being configured in substantially the same shape as the non-circular aperture in the platform. A flange extends substantially downward from the rim of the aperture in the seat element. The outer surface of the flange bears against an inner rim of the aperture in the platform structure to prevent relative movement between the seat element and the platform structure. A bolt and nut assembly is inserted through the aperture in the platform and the seat element, through corresponding apertures in the support element, and tightened to securely fasten the platform to the support element in a structure that prevents lateral movement of the platform relative to the support element.
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