| 摘要 |
PURPOSE: A vertical frame with torsional rigidity reinforcing structure for screen door is provided to securely form a screen door assembly and to prevent the torsion of the screen door by using a hollow reinforcing structure. CONSTITUTION: A vertical frame with torsional rigidity reinforcing structure for screen door comprises a reinforcing channel(11) and a fastening plate(10). The fastening plate comprises a plate part and curvature part. The vertical frame faces to the plate part. The curvature part is expanded from the plate part and forms the receiving part accepting the reinforcing channel. The vertical frame is combined with the connecting member, with faced to the fastening plate.
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