| 摘要 |
Device consisting of a board or platform for exhibiting, simultaneously imparted with movements of ascent or descent, rotation to the left or to the right, and inclination, including a motor 20 driving a shaft 8 and a rod 17, an electromagnet 22 when it receives a current, driving the disc 15 and causing the guide 12 to slide along the rod 14 upwards or downwards depending on the direction of rotation of the motor 20, the secondary arm 6 inclining or righting the board 1. <IMAGE>
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