| 摘要 |
<p>The suspension device for a vertical tube comprises a metal wire with a spirally wound portion. The upper end of the spiral is formed into an L-shape, this end being received in an aperture in a mounting panel. A knurled ring with an eccentric bore is mounted on the wire in a position diametrically opposite to the L-shaped portion. The pitch of the spiral is pref. equal to the diameter of the tube, the knurled ring being pref. formed of metal or plastics.</p> |
