| 摘要 |
A button switch which includes a base and a button telescopically mounted on the base. The base and button are hollow and there is a spring positioned within the hollow interiors to urge the button outwardly away from the base. An interlock between the button and the base limits movement of the button. There are electrical terminals mounted on the base and movable electrical contact shoes mounted on the button and positioned for sliding contact with the terminals.
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