| 摘要 |
PURPOSE: A structure of a system louver is provided to prevent damage to a louver due to external shock by increasing the width of a guide wall and louver. CONSTITUTION: A structure of a system louver comprises a rail(20), a pitch plate(30), a rotation handle(40), a secondary rotation handle(50) and a rotational plate. A frame(10) is respectively installed in both sides of the rail. The pitch plate is connected in the inside of the rail. A rotary shaft(41), penetrated into the pitch plate, is formed on the rear side of the rotation handle. The secondary rotation handle has a seating wall(51), on both upper sides to be located settled in the guide wall of the rotation handle. |
