| 摘要 |
<p>PURPOSE:To eliminate an armor rod and to simplify fixing of an anti-twist metal to a wire by providing a block for pushing the under face of the wire against the lower section of a hook then gripping the wire by means of the hook and the block and securing the hook to the wire. CONSTITUTION:A pair of hooks 12a, 12b are hooked onto a wire 10 with an interval slightly larger than the outer diameter of the wire 10. A pair of resilient arms 13a, 13b are arranged integrally with the hooks 12a, 12b and a foot ball type weight 14 is fixed through stop screws 15 to the lower ends of the arms 13a, 13b. Furthermore, a block 18 for pushing the under face of the wire 10 from below the hooks 12a, 12b is provided. By such arrangement, no armor rod is required and an anti-twist metal can be easily fixed to the wire 10.</p> |
