Firing rack

Abstract

The firing frame of the present invention comprises: a plurality of support columns; and a connecting rod extending laterally to connect two adjacent support columns. Each support column comprises: a support column cylindrical body extending cylindrically in a vertical direction; a hollow support column portion formed inside the support column cylindrical body; and a support column notch portion cutting a notch into the outer peripheral surface of the support column cylindrical body. The support column notch portion communicates with the support column hollow portion.