| 摘要 |
PURPOSE: A fixing device of a floor hinge casing is provided to install a casing in the center of a doorframe rapidly and exactly, and to fix stably by leveling easily. CONSTITUTION: The fixing device of a flow hinge casing comprises a casing(10) provided with a hinge body(H) supporting the lower end of a swing door rotatively and a flange unit(11), and a cover plate(20) placed on the top of the casing(10) and joined to the flange unit(11) by a screw to cover up an inner space of the casing(10), wherein a setting groove(a) is formed on a part of a doorframe where the flange unit(11) of the casing(10) and the cover plate(20) are attached to be fitted with the side of the doorframe properly.
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