| 摘要 |
PURPOSE:To reduce projecting parts and facilitate the loading/unloading of fish by enabling a cover body to travel between a part directly under the opening part of a deck and a lower housing position on a side, providing a means of rotatably receiving a hinge on the end of said cover body, and pulling said cover body obliquely upward in a closing direction. CONSTITUTION:As a jigger cylinder 13 is contracted, a cover body 3 is pulled obliquely upward and moved forward. When the cover body 3 arrives at right under an opening part 1A, the hinge 7 on its end is received by a hinge receiver 9 on a hull side, restricting the forward movement of the cover body 3. As the rear end of the cover body 3 is continuously hung up by the jigger cylinder 13, the cover body 3 is rotated centering around the binge 7 and arrives at a closing position. And, when cylinder 13 is contarily extended, the cover body 3 is housed on the upper part of a fish pond 2. Accordingly, the loading/ unloading of fish can be easily carried out.
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