| 摘要 |
<p>The invention relates to a telescopic system for the transmission of rotary movements, comprising at least two concentric shafts and two bushes, each bush being slidingly mounted on a respective shaft, a first bush being fixed to the outside shaft, the translatably guiding means being provided between each shaft and the bush mounted on said shaft, and the translatably guiding means being equally configured so as to allow driven rotation from the first shaft to a rotation-driving body by means of the first bush, the outside shaft and the second bush.</p> |
