| 摘要 |
<p>A steering assembly for use with a trolley including a carriage and at least one castor wheel (3) swivel-mounted about a vertical axis, the steering assembly including: co-operating wheel blocking members (131, 23) mounted respectively to the carriage and the castor wheel; and actuation means (150, 152) for causing the selective engagement of the co-operating wheel blocking members (131, 23) so as to prevent swivelling of the castor wheel (3).</p> |
