| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple structure capable of easily forming a trapezoidal roof, by installing a frame at an optional angle on the lower side of a beam.SOLUTION: The simple structure comprises the beam, the frame and a fixing member, in which the fixing member is installed in an end part of the beam, and comprises an engaging fixing piece, and the frame comprises an engaging fixing piece installing part, and an engaging piece is provided in the engaging fixing piece installing part, and the engaging piece extends in the longitudinal direction of the beam, and can engage at an optional angle with the engaging fixing piece, and the frame can be temporarily placed to the beam by engaging the engaging piece with the engaging fixing piece, and the engaging fixing piece installing part is formed in a wider width in the longitudinal direction of the beam than the engaging fixing piece, and the engaging fixing piece can be screw-fastened at an optional angle around the vertical axis to the engaging fixing piece installing part, and the frame is installed at an optional angle on the lower side of the beam. |
