| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to check whether an operation knob is located at a specific position by the sense of touch.SOLUTION: An operation knob 6 which constitutes a light switch is provided in rotatable and displaceable states among 4 positions of "OFF", "Small", "ON", and "Auto", at the tip end of a lever 5. A movable member 7 is provided to the operation knob 6. The movable member 7 is in a projection state where the movable member 7 is projected from a tip end surface of the operation knob 6 when the operation knob 6 is located at the position of "Auto", and the movable member 7 is in a housing state where the movable member 7 is not projected from a tip end surface of the operation knob 6 when the operation knob 6 is located at other positions than the "Auto" position. |
