| 摘要 |
A device as described in FR 7006201 comprises two wedge-shaped, cylindrical, coaxial rings connected inside the cylinder by a leaf-spring connected on the one hand to the assembly part and on the other to the base. The apparatus-ring-ring-base contact surface each have three sliding elements spaced 120 degrees apart. Pref. these elements are polyfluoroethylene. |
