Patent ID: 7007431

Claim:
A system for constructing a building comprising: at least one first-floor column having an upper end and a lower end, the lower end having at least one mounting flange attached thereto and the upper end having an internal receiving aperture and one or more mounting ears attached to the outside thereof; at least one second-floor support beam having features shaped and sized to facilitate securement to at least one mounting ear of the first-floor column; at least one internal connector having a first portion having an external cross-sectional profile matching the internal receiving aperture of the first-floor column and a second portion having an external cross-sectional profile; and at least one second-floor column having an upper end and a lower end, the lower end having an internal receiving aperture having an internal cross-sectional profile matching the external cross-sectional profile of the second portion of the internal connector, wherein the at least one first-floor column and the at least one second floor column abut each other at cooperating ends.