The both open interlock type folding door

摘要

PROBLEM TO BE SOLVED: To provide an interlocking type folding door device capable of mounting the folding door connecting a master door with a child door through a joint part so as to fold by forming a pair on both sides of bay to open and close both folding doors in the interlocking relationship.;SOLUTION: The child door 3 is attached to a longitudinal sash side of a frame body fitted into bay through shafts 8, 8 so as to swing, a bracket 9 is attached to an upper end of the master door 2, and a tip part protrudes on the opposite side to the direction in which the joint part 4 overhangs. A shaft 10 is erected at a tip of the bracket and a slider 11 attached to an upper end of the shaft is fitted in play so as to move along an upper rail 13. Pulleys 14a, 14b are rotatably supported on both sides of the bay, and a wire 15 is wound around both pulleys 14a, 14b by crossing in an eight shape and is connected with the shaft 10 through a connection device 16 attached rotatably.;COPYRIGHT: (C)2006,JPO&NCIPI