| 摘要 |
<p>The fall stop strut for a walking crutch has a sleeve (1) on the foot of the crutch (2) and carrying a linkage (10) to support to additional feet (3). A stop sleeve (7) limits movement of the first sleeve and is connected by two further links (12) to the auxiliary feet. The additional feet can be actuated by a handgrip adjacent to the top of the crutch.</p> |
