| 摘要 |
<p>The nip has a rectangular support frame positioned in an insulating housing (1) having pivot lever (17) including protruding holding strips arranged on the long sides. A circular-segment-shaped recess is formed in the long side. The side walls of pivot levers are engaged with the retaining strip such that the retaining strip is pivoted back and forth between the edges of recess. The side walls of the pivot lever are moved in the direction of the narrow sides of a support frame, to perform snap-fixing of the pivot lever in the support frame.</p> |
