Patent attributes
A column base fitting 42 includes a bottom plate 42c and a support base 42f. The bottom plate 42c is formed to be a plate shape having a square shape, both surfaces of upper and lower, and thickness. The support base 42f is inside from the periphery part of an upper surface 42d of the bottom plate 42c and has a height upward. A lower end of column member 4 is jointed on an upper surface 42g of the support base 42f. Three bolt insertion holes 42a, 42b and 42b are formed in each four corner portions of the bottom plate 42c. A center position of three bolt insertion holes 42a, 42b and 42b is located at a position in which a gravity center of a triangle consisting of lines connecting each center of the insertion holes comes to a position corresponding to a corner part 42q of the support base 42q.
