| 摘要 |
PROBLEM TO BE SOLVED: To realize fixtures capable of forming a watertight structure between a lower frame and a lower door frame when an air circulation part is closed by an on-off valve for opening and closing the air circulation part. SOLUTION: The on-off valve 40 for opening and closing the air circulation part 30 is attached to the lower door frame 21 of a door body 2. When the on-off valve 40 is in the closing position to close the air circulation part 30, the on-off valve 40 is set in touch with the upper surface 11a of the lower frame 11 of a frame body 1, thereby forming the watertight structure between the lower frame 11 and the lower door frame 21. COPYRIGHT: (C)2010,JPO&INPIT
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