| 摘要 |
PROBLEM TO BE SOLVED: To provide a window opening and closing device whose layout can be simplified by decreasing the number of wirings. SOLUTION: A window opening and closing device is provided with first and second switches 5, 6 in which first and second movable contacts 5a, 6a are connected to first and second normally open fixed contacts 5c, 6c respectively by on-operation, a third switch 7 in which a third movable fixed contact 7b is connected to a third normally open fixed contact 7a by on-operation interlocked with the first and second switches 5, 6, and a common signal line 8 which is connected to the first normally open fixed contact 5c of the first switch 5, the second normally open fixed contact 6c of the second switch 6, and the third movable contact 7b of the third switch 7. |
