| 摘要 |
A balance device comprises first, second and third components. The first, second and third components include substantially cylindrical first, second and third central portions, respectively, and which are coaxial with one another. The balance device further comprises a first set of connectors for coupling the first component to the third component and a second set of connectors for coupling the second component to the third component. The connectors accommodate axial movement in response to relative axial forces between the first and second components and minimise rotational movement about the axial direction in response to relative axial torque between the first and second components. |
