| 摘要 |
PURPOSE: A fixture for controlling the horizontality of a window frame is provided to prevent a window frame from sagging by securely supporting the window frame to a wall. CONSTITUTION: A fixture for controlling the horizontality of a window frame comprises upper and lower support portions(10,20) and a nut portion(30). The upper support portion has a support plate(12) and a shaft tube(14) with a male screw. The lower support portion vertically faces the upper support portion and has a fixed plate(22) and a shaft tube(24) with a male screw. The nut portion has upper and lower female screws with different diameters to vertically couple the upper and lower support portions to each other. |
