| 摘要 |
A conductive pin (22) is planted on the inside of the rear end wall (40) of a jack body (21) in alignment with the center axis of its plug insertion hole (27), and three movable contacts (23, 24, 25) formed in one piece of a leaf spring material are disposed around the conductive pin (22) in the body (21). The movable contacts resiliently engage the peripheral surface (73) of a power plug (72) inserted into the plug insertion hole (27), implementing a three-point contact therebetween.
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