| 摘要 |
PROBLEM TO BE SOLVED: To lessen the number of parts of ceiling suspension metal tools fitted to the projection of a deck plate and remove the movable parts to reduce cost and further, securely prevent deformation of the body in the using condition. SOLUTION: This ceiling suspension metal tool is constituted of a main body composed of a bottom plate 3, a central reinforcing plate 6 continuously extended to both sides of the central part, and side wall plates 4, 5 continuously extended to both side ends thereof respectively, and a bending manipulation plate 2 of the body arranged on the bottom plate 3 and provided with hooks 12 fixed to both ends of the bottom plate, at both ends. A pierced screw hole 8 is provided to engage with a suspension bolt 13 at the center of the bottom plate 3 and notched recesses 11 to clip the projection 22 of the deck plate 21 are provided at the inside of respective side wall plates 4, 5. Mutually fitting fixing protrusions 9 and recessions 10 are provided at the inside of respective side wall plates 4, 5 and both sides of the center reinforcing plate 6. |
