| 摘要 |
PURPOSE: A screw clamp which clamps an object is provided to prevent a safety accident caused due to slick by supplying a structure of clamping to securely calm down the object without slicking. CONSTITUTION: A screw clamp has staple shape in order to form a insertion hole(4) in which a connection part(1), a supporting part(2), and a pressing plate(3) inserts an iron plate. A connection hole(5) is punched on top of the connection part. A swivel jaw(6) projected to the insertion hole is installed inside the connection part. A screw hole(8) is punched on the connection part. A screw bolt(11) comprises a screw handle(10) on the lower side and is fixed and coupled in the screw hole with a screw. The lower surface of the swivel jaw is convex shape. A concavo-convex area(12) is formed on the center of the upper side of the screw bolt. |
