| 摘要 |
A pushbutton switch has a pushbutton having a connection rod to be received in a connection hole defined in a distal end of the linkage which has a path in communication with the connection hole such that when the heat sensitive plate is reacted in response to heat caused by an electrical overload, the connection rod is able to move freely in the path in the linkage and thus the linkage is able to move without limitation.
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