| 摘要 |
A control means for providing a signal indicating a shutdown of an appliance, the control means including a bimetallic element connected in series with the power line to the appliance, the bimetallic element being arranged to deflect substantially upon passage of the current from the source and to return to its original condition upon cessation of the current, the bimetallic element being engageable with a stationary contact for actuating a signal generating device.
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