| 摘要 |
The recreational device consists of a base (22) placed upon a support surface (20). The base supports a lower skew cut column (24) cooperating with an upper skew cut column (26) to adjust the angle between the support surface and columns. A bearing plate (38) is mounted on the columns. A platform (30) is mounted on the bearing plate for rotation. The skew cut columns are locked in a selected angle preventing any displacement. |
