| 摘要 |
PROBLEM TO BE SOLVED: To smoothly carry vehicles in and out without obstructing the front field of view from a steering house even in the open state of a carry-in/out opening while securing sufficient strength against longitudinal billow load received during navigation. SOLUTION: A lateral pair of door bodies 22 are supported on the carry-in/out opening 13 provided at a bow 12, slidably in the longitudinal direction of the marine vessel 11 along the outer surface of the marine vessel 11. A link member 23 is rotatably connected to the inner surface side of the door body 22. The link member 23 is rotatably connected to an opening/closing drive mechanism 24 rotatably supported inside the marine vessel 11. The opening/ closing drive mechanism 24 is composed of a cylinder 25 and a piston rod 26 provided in a freely advancing/receding manner at the cylinder 25.
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