| 摘要 |
<p>PROBLEM TO BE SOLVED: To secure a sure lock state without any increase in weight and cost. SOLUTION: Leg bodies 2A, 2B provided on a seat bed 1 supporting a seat S are provided with hook members 4, 8 with the base ends rotatably connected thereto. A locking rod 10 is provided across the interior of openings 91A, 91B provided in the base 9 on the floor F, and fixed to the floor F, and the hook members 4, 8 inserted in the openings 91A, 91B are turned and engaged with an engagement rod 10, whereby the leg bodies 2A, 2B are separably connected to the floor F.</p> |
