The utility model relates to a torque force regulating mechanism of chair carrier restoring torsion spring, which belongs to the technical field of improved structure of a chair carrier.
本实用新型涉及一种椅子托盘复位扭簧扭力调节机构，属于椅子托盘结构改进的技术领域。
The utility model relates to a torque force regulating mechanism of chair carrier restoring torsion spring, which belongs to the technical field of improved structure of a chair carrier.
本实用新型涉及一种椅子托盘复位扭簧扭力调节机构，属于椅子托盘结构改进的技术领域。
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