| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock operation device of a swing window which gives good appearance of the window and which can achieve compactification.SOLUTION: In a swing window, a sash 3 is swingably supported by a hinge 5 arranged in the middle in the vertical direction of a jamb 2a of a window frame 2. A lock structure comprising a lock pin 38 and a receiving member 39 locks the sash 3 in a fully-closed posture by a linkage bar 27 moving along a frame 6 of the sash 3. The lock operation device has: a support shaft 32 of a roller 25 being interlocked with opening/closing of the sash 3; and a release arm 30 swingably driven by the support shaft 32. The release arm 30 swingably supports one end at the sash 3, and the support shaft 32 comes into contact with the other end side. The middle in the length direction of the release arm 30 can be connected to the linkage bar 27. Then, by the support shaft 32 pushing the other end side of the release arm 30, the release arm 30 swings and the linkage bar 27 moves, and the lock of the sash 3 locked in the fully-closed posture is released. |
