Patent ID: 7797902

Claim:
A backing metal fixture used for fixing an external wall to a skeleton via a securing metal fitting and a heat insulating material placed on a front surface of the skeleton, comprising: a butting flat plate portion adapted to be butted against a rear surface of the securing metal fitting having an opening in the center area to allow a fixing member to go through, and a first leg unit and a second leg unit erected rearward from the butting flat plate portion, wherein the second leg unit is erected from a position closer to the opening than the first leg unit, the second leg unit has three legs and each of the three legs is positioned so that each of the outer surfaces of the three legs is erected along one of three lines formed by two equal sides and a bottom side of an isosceles triangle, respectively, the butting flat plate portion has a right part and a left part, each of which extends from the bottom side of the isosceles triangle and locates away laterally from the leg of the second leg unit which is erected along the bottom side of the isosceles triangle and the first leg unit has two legs, the two legs are erected, respectively from the right and the left parts of the butting flat plate portion, and each of the two legs of the first leg unit is parallel to the leg of the second leg unit which is erected from the bottom side of the isosceles triangle.