| 摘要 |
<p>A base (12, 16) rotating around a central axle is provided with two connected (46) recesses (42) for the insertion of two electrodes and a cutting blade (18) with cutting edges positioned in relation to the recesses (42). The blade (18) is supported between two outer support areas (30, 34) and two axially positioned support areas (36). No section of the second outer support area (34) extends further towards the center of the unit than the first axial support area (36) and/or the second axial support area.</p> |
