| 摘要 |
<p>An over-centre clamping mechanism is disclosed having a pivot guide to guide the pivot of one of the link arm members of the mechanism which comprises a piezo-electric actuator. The actuator is arranged to withdraw the pivot guide from the plane of action of the mechanism, thereby allowing the guided pivot free movement on the plane of action which has the effect of collapsing the mechanism when in a clamped state.</p> |
