| 摘要 |
PURPOSE: A truss for a ceiling structure is provided to safely connect a connecting plate to a support plate and a fixing plate. CONSTITUTION: A support plate(20) has a flat flange shape. A plurality of fixing plates(30) include a pair of flat panels(31). One end of a connecting plate is inserted into between the flat panels. Caps(50) are respectively inserted into the ball screw of a post(10). The cap prevents the inserted end of the connecting plate from becoming separated.
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