| 摘要 |
A rolling-ball switch includes an insulative housing having a tubular wall that has an axial hole and two opposite open-end portions, and two lead terminals covering respectively the open-end portions. Each open-end portion has an end face and a retaining portion. Each lead terminal is a one-piece conductive body, and is provided with an engaging portion to engage the retaining portion. A ball unit is disposed rollably in the axial hole to contact the lead terminals.
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