| 摘要 |
<p>A ferrule for a stick or crutch consists essentially of rubber and includes a support body (2) and a sleeve (3) connecting with said body. The sleeve (3) is grooved or fluted circumferentially with crests and troughs of the grooves extending generally parallel with the sleeve axis. The end-part (31) of the sleeve (3) connecting with the support body (2) increases in diameter in a direction towards the supporting body (2).</p> |
