| 摘要 |
<p>The invention relates to an anti-interference spring (5), which is manufactured of uncoated metal, preferably stainless steel, and in which the surface of the upper part (3) pressing against the pressure surface (1) has an arched or convex form so that the contact surface (2) between the upper part (3) of the anti-interference spring (5) and the pressure surface is spotlike.</p> |
