| 摘要 |
The present invention relates to a platform which comprises a turret mounted to rotate about a vertical axis with respect to foldable legs and supporting a plate fast with a shaft mounted to rotate about a horizontal axis with respect to this turret, wherein the hand lever for controlling the swivelling of the plate is foldable against the folded legs and connected to its bearing element on the platform by means of a swivelling device with built-in locking system for at least two positions of this lever. |
