| 摘要 |
<p>A coupling mechanism that comprises a convex coupling member and a concave coupling member and that couples groups of chairs lined up left-to-right by mating the convex coupling member and the concave coupling member provided to each of the plurality of chairs. The coupling mechanism is characterized by the convex coupling member being provided with a convex side mount portion, an extension portion, a cutout portion, and an engagement part, and the concave coupling portion being provided with a concave side mount portion, a mating protrusion, and a pair of mating walls.</p> |
