| 摘要 |
PROBLEM TO BE SOLVED: To provide a shutter device of airtight structure which solves the problem that a sealing member is worn and cannot perform appropriate sealing in a conventional shutter device of airtight structure. SOLUTION: The shutter device 26 of airtight structure or the like which is provided with a shutter member 42 for opening and closing openings 24a, 41a, 47a, is provided with: an intermediate member 47 provided between a body member 41 and the shutter member 42; the shutter member 42 abutting on the intermediate member 47 so as to be freely slidable; and pressing means 49, 50, 51 provided between the intermediate member 47 and the body member 41 and pressing the intermediate member 47 toward the shutter member 42. COPYRIGHT: (C)2010,JPO&INPIT
|
