INTERLOCKED SLIDING DOOR DEVICE

PROBLEM TO BE SOLVED: To provide an interlocked sliding door device having no obstacles such as a rail or the like below. SOLUTION: Upper portions and lower portions of a plurality of doors suspended in a freely running manner from an upper rail are provided with an upper interlocking mechanism 30 and lower interlocking mechanisms (36, 20). The upper interlocking mechanism 30 is provided with a ring-shaped member 32 stretched in a freely rotating manner in a traveling direction and coupling pieces 34a and 34b and coupling piece receivers 23 and 43 provided on the ring member 32 and neighboring doors 2 and 4 and to be engaged with each other. The lower interlocking mechanisms (36 and 20) are equipped with a guide portion 8 provided in the traveling direction and a coupling guide portion 36 linked to the guide portion 8 provided to the neighboring door, and the upper interlocking mechanism 30 and the lower interlocking mechanisms (36 and 20) are interlocked at the opening and closing limits of a plurality of the doors.