| 摘要 |
<p>The scabbard has two ends (4,5) of a sleeve (3), where the one end lies opposite to an insertion opening (6). The end is viewed in the periphery direction of one of rigid and stretchable areas (1,2). Two struts are swiveled together from one area by a connecting area (7) arranged between both the ends. The rigid area extends to the other end of the sleeve.</p> |
