| 摘要 |
PROBLEM TO BE SOLVED: To provide an opening/closing structure of a folding door, which can simply realize automatic opening/closing. SOLUTION: The folding door has a first folding-door constituting body, which is hinge-coupled to one end of a door frame, and a folding constituting body 120 which is suspended from a traveling body 5 traveling on a rail whose upper end is laid in an upper horizontal muntin. The folding door is equipped with an opening/closing mechanism comprising: a drive mechanism which drives the traveling body 5 in the directions of advance and retreat; a pivot 3 which protrudes from a lower end of the traveling body 5; and a cam member 330 into which the pivot 3 is loosely fitted. Characteristically, the cam member 330 has guide grooves 310 and 320 for guiding the constituting body 120 in the direction of opening it when the traveling body 5 moves in the direction of the first folding-door constituting body.
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