| 摘要 |
PROBLEM TO BE SOLVED: To position a slide member securely at a reference position when a face material moves to be opened while keeping airtightness when the face material is fully closed.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 provided at the opening frame 10 to move to be opened and closed includes a slider 52 which supports the arm 40 slidably and movably, is normally biased with a slide spring 53 to be positioned at a reference position, and slides to move against biasing force of the slide spring 53 when applied with operating force as a knob 60 is operated, the knob 60 being provided at the slider 52 while biased into an attitude of displacement toward a direction of opening movement of the sliding door 20. |
