According to news from the financial industry on November 14, 2024, information from the State Intellectual Property Office shows that Hunan Hongmen New Material Technology Co., Ltd. has obtained a patent called \”A traction component and lifting door\”. Authorization announcement number CN 221990249 U, application date is March 2024.
The patent abstract shows that the utility model relates to the field of door technology and discloses a traction assembly and a lifting door. The traction assembly is used to connect the door panel assembly and the chain. The chain has opposite first and second sides. . The traction assembly includes a traction bracket and a limiter. The traction bracket includes a bracket body and a plug-in protrusion. The bracket body is connected to the door panel assembly. The plug-in protrusion is inserted into the gap between two adjacent rollers of the chain. The plug-in protrusion The raised end extends toward the first side out of the gap between two adjacent rollers and is connected to the bracket body; the limiting member includes a connecting structure and a limiting structure, the connecting structure is connected to the bracket body, and the limiting structure is connected to the chain limiting structure. Fitting to restrict the chain from moving toward the second side relative to the insertion protrusion. Through the above settings, the connection structure between the traction bracket and the chain is simplified. There is no need to break the chain during disassembly and assembly, which facilitates the disassembly and assembly between the traction bracket and the chain, and facilitates the replacement of the traction bracket and/or chain during subsequent maintenance. , reduce costs.
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