| 摘要 |
PROBLEM TO BE SOLVED: To provide a door device eliminating complicated opening and closing operation. SOLUTION: The door device 331 includes rotatable pulleys 66a, 68a and an annular belt body 70a stretched between the pulleys 66a, 68a. The door device 331 is provided with a transfer body 95a connecting the second door body 343 to one side of the belt body 70a and the transfer body 115a connecting the third door body 344 to the other side of the belt body 70a. Pulley receptacle units 345, 346 having abutting parts 350, 351 are fixed to the first door body 342. Abutting faces 354, 355 on which the abutting parts 350, 351 abut are formed on the transfer body 95a and the transfer body 115a. COPYRIGHT: (C)2005,JPO&NCIPI
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