| 摘要 |
A push button switch including a housing, an operating member slidably received in the housing, a contact switch section located under the operating member, an actuator rotatably supported to the housing for opening and closing the contact switch section, a spring retained between the actuator and the operating member, and a pusher pin extending downwardly from the operating member and adapted to push the actuator, wherein when the operating member is depressed to make the pusher pin abut against the actuator, the actuator starts to be rotated for generation of buckling of the spring. Accordingly, the switching time of the buckling of the spring can be made constant, thereby ensuring a constant on-timing of the switch.
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