| 摘要 |
An electrical switch for switching on and off an electrical appliance such as a light bulb. The switch includes a body, a fixed contact and a movable contact, an actuator supported by the body for pivotal movement, causing movement of the movable contact between a switched-on position and a switched-off position, and an internal spring acting upon the actuator. The spring extends generally in-line with the actuator, in compression, such that the actuator and spring are pivotable rapidly and simultaneously in opposite directions through an over-centre action about an unstable central position. The body may include a lamp socket for receiving the light bulb.
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