| 摘要 |
PROBLEM TO BE SOLVED: To provide a door device capable of smoothly rotating and moving a door body even if pushing and pulling the lower end of the door body. SOLUTION: A guide groove 10a is provided at the part, opposed to a door frame 1, of a floor part F, and a guided shaft 11 is provided at the lower end of the door body 3. The guided shaft 11 is disposed on the axis of a connecting shaft 8b for rotatably connecting the upper end of the door body 3 to an upper lateral frame part 1c of the door frame 1, A roller 12 is rotatably provided at the lower end of the guided shaft 11. The roller 12 is inserted in the guide groove 10a so as to be longitudinally movable.
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