| 摘要 |
<p>The device has a drive arrangement (30) for a driving plunger (13) that is supported shiftably in a guide (12). The plunger includes a drive spring (31) e.g. helical spring or flat spring, with an expansion direction clampable over a clamping device (70). Another drive spring (32) includes another expansion direction that is opposite to the former expansion direction. The drive springs define spring axes (F1, F2), which run coaxially to each other. The total volume of the latter drive spring is larger than the total volume of the former drive spring.</p> |
