| 摘要 |
A device for transporting a hollow body provided with a neck which includes a vertically oriented internal wall, the device including at least elements for gripping the hollow body by engaging with the internal wall of the neck, which are mounted on the lower free end of a rod and movably connected thereto, the rod being mounted to be vertically movable between a high position and a low position, wherein the gripping elements are mounted to be radially movable between a retracted position in which the gripping elements are vertically inserted from top to bottom into the neck, without contacting the internal wall, and a deployed position in which the gripping elements engage the internal wall of the neck, and the change in position of the gripping elements from the retracted to the deployed position and/or from the deployed to the retracted position is actuated by a magnetic field. |
