| 摘要 |
PURPOSE: A clamp is provided to effectively compress a scaffold, and to extend the service life of the clamp by blocking dust, soil, and paint. CONSTITUTION: A clamp comprises a support body(100), a supporter(200), and a fastening unit(300). The support body is vertically fastened with a safety rail horizontally installed. The supporter is installed in the bottom of the support body, and supports the bottom surface of a scaffold. The fastening unit clamps the scaffold in one side of the support body.
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