| 摘要 |
A push button switch comprises a housing having an opening at the top and provided with a fixed contact member at the inner bottom, a stem supported to be vertically movable in and with respect to the housing, and an elastic member being capable of buckling and having one end attached to near a lower end of the stem and the other end attached to near the inner bottom of the housing, the elastic member being positioned in the housing to extend diagonally and urging the stem upward by its own resilient force. A high degree of reliability is ensured with the simple structure and a good click feeling is provided.
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