| 摘要 |
<p>The towbar (20) is fitted to segment (27) and incorporates a fixed pivot (28), sliding index (25) and lever (21). The lever actuates a self-locking mechanism and is secured in position with safety lock or pin inserted in the hole (29). The bracket (10) is formed with a cavity to accept the segment with circular recess (13) to accommodate fixed pivot and hole to accommodate the sliding index.</p> |
