| 摘要 |
A joint for securing two workpieces together. The joint includes a projection and a complimentary slot for receiving and securing the projection therein. The projection includes spaced-apart convex sidewalls extending outwardly from a first workpiece, and an end wall connecting outer ends of the sidewalls. The slot is formed in a second workpiece, and includes an opening for receiving the projection therethrough and a pair of spaced-apart concave sidewalls which define lateral boundaries of the slot.
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