| 摘要 |
PURPOSE:To make it possible to compactly store ramps in a ship, by providing a second ramp slidably in the lower section of a first ramp swingably attached to a hull, through the intermediary of a guide rail arranged along the side beam of the first ramp and as well by similarly providing a third ramp to the second ramp. CONSTITUTION:A first ramp 1 is swingably attached by means of a horizontal shaft on a hull. A second ramp 2 is slidably attached to a guide rail which is formed on the side beam section of the first ramp 1, by means of a cylinder mechanism 8 through the intermediary of wheels 12a, 12b. Further, a third ramp 3 is slidably attached to the second ramp 2 in a similar manner. With this arrangement, the ramps 1 through 3 are arranged in a telescopic structure, so that the extent of the ramps may be made sufficiently long, and as well they may be stored compactly in the ship.
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