| 摘要 |
A panel assembly of the present invention comprises a stringer and a plurality of sheet panels each having a curved portion extending downward at one side thereof and a curved portion extending upward at the other side thereof. The stringer has on the top thereof a plurality of panel engaging portions adjacent to one another, each having upstream side convex portion, around which the curved portion of the sheet panel extending downward is hooked, a downstream side concave portion, into which the curved portion of the sheet panel extending upward Is fitted, and a planar portion extending from the upstream side convex portion to the downstream side concave portion. The planar portion of the panel engaging portion of the stringer is inclined downward from the upstream side convex portion to the downstream side concave portion. An upper portion of the concave portion of the panel engaging portion having a groove, into which a tip end of the curved portion of the sheet panel extending upward is fitted.
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