| 摘要 |
<p>Boat slipway for fixed or mobile set-up, comprising a framework, which can hinge around a horizontal shaft at a right angle to the longitudinal direction of the framework, which shaft is supported by mobile or fixed means, the framework having at least one longitudinally telescopic part, which near its end projecting from the framework is provided with apparatus for connecting the framework with at least one floating body which can keep the framework floating on the water and with which the buoyancy can be adjusted to bring the end of the framework under the surface of the water when a boat is launched or taken out of the water.</p> |
