Nuts for channeled structural members

A nut in combination with a channeled structural member for affixing parts to said channeled structural member, said channeled structural member having a top portion, a bottom portion, two side portions, and a longitudinal slot in said top portion, said longitudinal slot bordered by inwardly projecting flanges, said top portion having an inside surface and an outside surface, said bottom portion having an inside surface and an outside surface, said two side portions each having an inside surface and an outside surface, and said inwardly projecting flanges each having an inside surface and an outside surface, said nut comprising a metal plate having a length relatively long compared to its width and having opposite parallel longitudinal side surfaces and end surfaces at an inclined angle to said side surfaces, said nut having one major face and an opposite major face substantially perpendicular to said side surfaces, said nut having a centrally located tapped opening, said nut having parallel sharp edges on the long sides of said one major face for engaging said inwardly projecting flanges of said channeled structural member, and having positioning means protruding from an end surface of said one major face for properly positioning said nut with respect to said structural member;

• said positioning means being spaced from said inside surfaces of said top portion, said bottom portion, and said two side portions of said channeled structural member.