DUCT STRUCTURE OF VEHICULAR SEAT

摘要

PROBLEM TO BE SOLVED: To disuse a bending structure for a duct such as a bellows shape and the like that can be bent by setting up a larger diameter of the duct using the connecting rod of the reclining rotary center at a time of setting up the duct in the case of forward and backward tilting movement of a seat back by both-side reclining device. SOLUTION: The duct 31 is divided and formed into a seat cushion side duct 32 and a seat back side duct 33. The upper end of the seat cushion side duct 32 and the lower end of the seat back side duct 33 are respectively rotatably mounted on a connecting rod 21. The engaging parts 45, 46 are provided on mutually opposed side faces of the upper end of the seat side duct 32 and the lower end of the seat back side duct 33. The mutually opposed side faces at the upper end of the seat cushion side duct 32 and the lower end of the seat back side duct 33 are connected keeping airtightness therebetween.