DOOR DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a door device capable of lowering moving resistance in comparison with usual one by lengthening the length of an arm of moment imposed on a piece when pushing force in the direction of door closing is applied to the front end piece to make vertical force as smallness. SOLUTION: The door device 10 is so constituted that a door 40 fixing a plurality of respectively separated pieces 30 to a bendable tape is supported on a rail member 50 having a curve section in a slidable manner to provide the knob 60 to the front end piece 31, and when the pushing force in the direction of door closing is applied to the knob 60 of the front end piece 31 and that an engagement holding section 35 with which an engaging section 34 for transferring pushing-up force applied to the rear end of the front end piece 31 to the front end of the following piece 32 adjacent to the front end piece 31 is provided to the following piece 32.