| 摘要 |
<p>A boat trailer which is adjustable in length to facilitate launching when extended and trailing when contracted. The trailer consists of a boat supporting carriage member which is slidably mounted on a towing frame. The boat carriage preferably has a pair of longitudinally extending tubular sleeve members and the towing frame includes at least two longitudinally extending beam members which are slidably mounted in the sleeve members of the carriage.</p> |
