| 摘要 |
<p>1. Securing device, particularly intended for alpinists, comprising two parts (1, 2; 36, 37) connected by means of a hinge (3, 38), angularly displaceable the one with respect to the other ; characterized by the fact that each of said two parts (1, 2; 36, 37) comprises at least two cuttings (4, 4'; 5, 5'; 6, 6'; 39, 39', 40, 40') the shape and position of which are such that when the two parts are in aligned service position, these cuttings define two closed rope passages whereas when the two parts are angularly displaced the one with respect to the other each rope passage has an aperture (7, 8, 9, 10, 11, 12; 41, 41', 42, 42').</p> |
