| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter device that allows easy replacement of its filter. SOLUTION: The filter device 1 includes a case member 2 to which a filter 3 can detachably be attached, and press members 8, 9 rotatably attached to the case member 2 around their rotation axes. The press members 8, 9 are turnable between a locked position of the filter 3 and an unlocked position of the filter 3, and are deformable between the locked state of rotation and the unlocked state of rotation. The press members 8, 9 are put into the locked state of rotation at the locked position of the filter 3, and made turnable from the locked position of the filter 3 to the unlocked position of the filter 3 by changing the locked state of rotation to the unlocked state of rotation. COPYRIGHT: (C)2010,JPO&INPIT
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