| 摘要 |
PURPOSE: A roll shutter and a joint therefor are provided to remarkably reduce the maintenance costs of the joint by only replacing the damaged part of the joint. CONSTITUTION: A joint(40) for a roll shutter comprises a body part(41), one or more support plates(42), a cover plate(43), and fastening members(44). The body part is fixed to one surface of a gear part. The support plates are loaded on the top of the body part. The cover plate is formed on the top of the support plates. The fastening members are coupled to the body part, the support plates, and the cover plate. |
