| 摘要 |
<p>The pressure beam (22) has a collet channel provided at the pressure beam, in which an area of a collet (32) is moved, where the collet channel is formed in an insertion, which is utilized in a mounting hole in the pressure beam. A sealing device is arranged at the insertion, where the sealing device seals an inner area of the collet channel opposite to an outer area, when no collet is present in the collet channel. The sealing device is arranged adjacent to an operating area (30).</p> |
