| 摘要 |
PROBLEM TO BE SOLVED: To facilitate an assembling structure of a film door opening and closing an air passage. SOLUTION: A case 11 is divided into front cases 11a, 11b and rear cases 11c, 11d in the vicinity of a position where first and second take-up shafts 19c to 20d taking up end parts of film members 19a, 20a of the film doors 19, 20, and in the vicinity of a dividing face of the rear case 11c, 11d, storage chambers 28 to 30 having a shape opened to the side of the dividing face are formed to integrally form support surfaces with the rear cases 11c, 11d by the wall surfaces of the storage chambers 28 to 31. The support surfaces are respectively provided corresponding to both end parts of the first and second take-up shafts 19c to 20d in a shaft direction, and the first and second take-up shafts 19c to 20d are assembled in the storage chambers 28 to 31 from the side of the dividing face to be rotatably supported by the support surfaces. COPYRIGHT: (C)2004,JPO&NCIPI
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