| 摘要 |
<p>The device has a metal part (11) with a U-shaped flange having two side faces forming a jaw equipped with a series of spigots (19) staggered along top arms of the flange. A pair of flexible teeth (18) acts as springs at ends of bottom arms. A top face (14) is formed by a part of each top arm folded at right angles. A front face of the part is provided with one circular aperture for latching or passage of a unit.</p> |
