| 摘要 |
PROBLEM TO BE SOLVED: To provide a knob switch having easy operability and capable of controlling power failure of one or more loads. SOLUTION: A knob switch is used for connecting a plurality of loads to a power supply and includes: a stationary base on which a plurality of second conductive pieces are provided; a rotation mechanism that is rotatably provided in a bored manner on the stationary base and that is provided with a plurality of first conductive pieces; and an adjusting lock. When the rotation mechanism rotates, the plurality of first conductive pieces are each allowed to contact the second conductive pieces. Each of the second conductive pieces includes a first conductive portion that is electrically connected to the power supply and a second conductive portion that is electrically connected to a load. The first conductive portion and the second conductive portion are predeterminedly spaced from each other. When the rotation mechanism rotates, each of the first conductive pieces achieves electrical connection between the corresponding pair of first and second conductive portions. By adjusting the adjusting lock, each of the first conductive pieces is able to cut the electrical connection between the corresponding pair of first and second conductive portions. COPYRIGHT: (C)2011,JPO&INPIT
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