| 摘要 |
PURPOSE: A rolling support device of a folding door is provided to enable the mass production of a hinge and upper and lower roller assemblies. CONSTITUTION: A rolling support device of a folding door comprises a hinge(100) and upper and lower roller assemblies. The hinge supports adjacent folding doors to be foldable and comprises a center hinge(110), upper and lower hinges(120,130), a hinge shaft(140), and a fixed bracket(150). The center hinge has a cylindrical main body(112) and a sub body(113). The sub body is integrally extended from one side of the main body. The upper and lower hinges are located at the top and bottom of the center hinge using rings(R). The hinge shaft is coupled to the center hinge and shaft holes(111,121,131) of the upper and lower hinges. The fixed bracket fix the center, upper and lower hinges to the folding doors. The upper and lower roller assemblies are coupled to the hinge and are slid along a guiderail to support the rolling of the folding doors. |
