| 摘要 |
<p>The invention relates to a roller coaster which comprises a supporting frame (1), a strength structure (G) for supporting and fastening a rail-track (H) on which passengers' vehicles (I) move by inertia or mechanically powered, the rail track (H) being located on imaginary surfaces of a right prism (F) with rectangular bases (A, B, C, D; A', B', C', D') which overlap after having been twisted by 90A or 180A forming an anchor ring whose axis (a, a', a") may form a circle or an ellipse, contained in a horizontal plane, having a single continuous surface and edge in the case of a twist by 90A , or having two continuous surfaces and two edges in the case of a twist by 180A .</p> |
