| 摘要 |
<p>A mechanical device, comprising: a gyroscopic element (9), (10) constrained to rotate around a central axis (3) and spaced apart therefrom, the gyroscopic element (9), (10) having an axis of rotation and being moveable between a first orientation, in which the axis of rotation thereof passes through or close to the central axis (3), and a second orientation, in which the axis of rotation thereof is substantially perpendicular to the displacement of the gyroscopic element form the central axis (3).</p> |
