| 摘要 |
<p>Reel has casing, spool (6), recovery barrel (11), holding mechanism for reel on supporting axis (7), coupling means (21), radial extension of reel (24) and of axle (22). Radial extension(s) of reel or axle is retractable. Oblique ramps are placed on frontal sides. When reel moves on supporting axis, radial extensions move so they don't interfere with axial displacement of reel. Radial extensions slide back to original position when reel has moved.</p> |
