US Patent 11173413 Block member set

A block member set includes a plurality of box-shaped block bodies each having an open bottom surface, a plurality of flat-plate-shaped joint members, and a plurality of box-shaped joint members, wherein each of the plurality of flat-plate-shaped joint member placed on an upper surface of each of the plurality of box-shaped block body and each of plurality of the box-shaped joint member accommodated in the box-shaped block body are connected to each other by a rod-shaped connecting member which passes through an insertion hole formed in the box-shaped block body thus being integrally formed with each other and forming a block.