| 摘要 |
A computer keyboard key switch including a bottom support board, a key base having a rubber cone, a membrane circuit retained between the bottom support board and the key base, a bridging device supporting plate supported on the key base around the rubber cone, and a key cap coupled to the bridging device supporting plate by a bridging device, wherein the bottom support board has two upright lugs inserted through parallel slots on the membrane circuit and the key base and defining a respective retaining hole; the bridging device supporting plate has two coupling tongues respectively forced into engagement with the retaining holes of the upright lugs of the bottom support board.
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