| 摘要 |
<p>A wedge arrangement can comprise two members which can be moved relative to one another in their axial direction by means of a drive means thereby providing a wedging effect. The wedge members are of substantially the same length and the respective outer wedge surfaces thereof are provided with gripping means directed rearwardly from respective points of said wedge members. The gripping means are arranged to grip respective surfaces of two mutually opposed surfaces which are to be separated by means of the wedge arrangement. A drive means is arranged to apply a driving force alternately to respective wedge members.</p> |
