| 摘要 |
A radiating plate of a light regulator switch has a bent engaging member integrally formed at one corner of the back side thereof and a hole bored at another corner diagonally opposite to such one corner. A case of the light regulator switch has a detaining recess in and with which the bent engaging member of the radiating plate is received and engaged. The detaining recess has a pair of side walls engaging the side edges of the bent engaging member to prevent sideways shifting thereof and a horizontal wall connecting these side walls. Further, a hole is bored in the case in alignment with the hole of the radiating plate. In assembling the light regulator switch, the case is disposed in back of the radiating plate so that the bent engaging member is located above the detaining recess of the radiating plate, and then the radiating plate is slid downward to receive and engage the bent engaging member in and with the detaining recess. Thereafter, the radiating plate is attached to the case by fitting screws into the holes of the case and the radiating plate.
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