| 摘要 |
<p>The coffee machine has a brewing head (2) fastened on at least one vertical guide element (6,7) consisting of a threaded spindle. The brewing head is fastened on the threaded spindle by means of a spindle nut (8) which on its radial inner side which acts upon the spindle has an opening extending over the whole height of the spindle nut and in the form of a local radial cross sectional enlargement. The opening forms a relief slot and extends basically in the axial direction of the spindle nut.</p> |
