PROJECTING AND SINKING DEVICE OF OPENING FRAME

摘要: PURPOSE:To secure the area of an opening by a method in which track is formed guide groove movable frame set on fitting fixing frame, oblique guiding part provided one end track, and when door opened, sunk into frame. CONSTITUTION:The lower 17 sidewardly acting shutter 2 consists fixed 19 21 20 19. Oblique parts 24 directed to inside are ends tracks 23 22 21. On body 5 side, coupler 26 attached both horizontal wheel 16. When closed, top comes contact with 24, projected opening, 36 inserted connect following couplers 23, energized spring, etc., as closed. The can thus be widely secured.