| 摘要 |
PROBLEM TO BE SOLVED: To improve operability while reducing manufacturing costs.SOLUTION: An opening restriction device 30 which includes an arm 40 supported rotatably at an opening frame 10 and a receiving member 70 disposed at a sliding door 20 and having a guide groove 71 that an arm tip pin 41 provided on an arm 40 can enter includes: a slider 52 which supports the arm 40 and slides to move as a knob 60 is operated, and allows the arm tip pin 41 to enter the guide groove 71 when the sliding door 20 is positioned at a reference position while fully closed and also makes the arm tip pin 41 comes out of the guide groove 71 when the sliding door 20 slides to move from the reference position to a first advance position while fully closed; and a lock mechanism which allows a lock pin 57 disposed on the slider 52 to enter a lock groove 81 of a lock receiving member 80 disposed on the sliding door 20 and also holds the sliding door 20 in the fully closed state when the slider 52 slides to move from the reference position to a second advance position with the sliding door 20 fully closed. |
