| 摘要 |
PROBLEM TO BE SOLVED: To provide a switch device capable of detecting presence of two filters with one detecting switch. SOLUTION: The switch device 30 is provided with a detecting movable part 24 protruded on one face of a detecting switch main body 22 and biased to be switched from a position of a switching-on operation to a switching-off operation, and a rotatable detecting lever 29 capable of being loosely fitted with the detecting movable part 24 as a rotating axis. As the detecting lever 29 rotates by detecting either of a first or a second filter 4, 6, the detecting movable part 24 makes a switching-off operation as it is set at a position of switching-off operation, makes a switching-off operation at the position when neither of the first and the second filters 4, 6 is detected, and the detecting lever 29 moves to a position for the detecting movable part 24 to make a switching-on operation by detecting both the first and the second filters 4, 6 to make a switching-on operation. COPYRIGHT: (C)2008,JPO&INPIT
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