| 摘要 |
<p>A carriage which is receivable over an elongate member for movement therealong which comprises a base (11), a pair of arms (13) which extend divergently from the base. At least one arm (13) is extendable. The base (11) and arms (13) support roller-like members (12 and 19) which are engageable with the surface of the elongate member to be able to retain the elongate member between them.</p> |
