| 摘要 |
An improved pushbutton switch includes an elastic element located in a body. The elastic element is made of metal and bent to form an action which has an inner diameter and two free ends to form respectively two support arms. The support arms are located in the body. When the elastic element is subject to an external pressing force, the inner diameter of the action section contracts slightly and the support arms are pressed downwards to connect two terminals of the pushbutton switch to establish electric connection to deliver signal output. When the external pressing force is released from a press element, the inherent elastic force of the elastic element pushes the press element back to its original location.
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