| 摘要 |
Panel interlocking means for securing together a first and a second panel (10, 12) in overlapping relationship, said first panel comprising a locking tab (14) struck from said first panel, the locking tab having a neck portion (20) hinged at a base thereof to said first panel and a shoulder portion (22) contiguous therewith, said second panel including a retaining tab (30) defining a locking aperture struck from said second panel and wherein the retaining tab is displaced out of the plane of said second panel to receive said locking tab through the locking aperture and abuts a portion of said locking tab projecting beyond said shoulder portion and wherein a locking edge (25) of the locking tab is provided at each of the opposed side edges of the locking tab at the shoulder portions to interengage with panel portions of said second panel located adjacent complementary curved edges (43, 45) of said locking aperture to maintain said first panel and said second panel in a locked overlapped relationship.
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