Patent ID: 7090427

Claim:
A clamp for connecting bars, comprising: a body having at least a first and second prismatic guide for engaging said bars and means for locking said bars inside said guides; characterized in that said body is defined by a first pair of separate planar sheet metal plates arranged parallel and spaced apart and facing each other, and a second pair of planar sheet metal plates arranged parallel and spaced apart and facing each other, the plates of said first pair being perpendicular to the plates of said second pair, said plates being connected substantially along the edges of said body; and each of said plates each having a first and second connection end, said connection ends being opposite to each other on said plates and extending substantially along respective corners of said body, and having a third and fourth free end, said free ends being opposite to each other on said plates, said third free ends of said plates facing in a same first direction and said fourth free ends of said plates facing a same second direction, said first and second directions being opposite each other; and each of said connection ends being configured with complementary, engageable shapes with respect to said opposing connection ends; and each plate of said first pair having its first and second connection ends engaged with respective connection ends of respective plates of said second pair; wherein said plates of said first pair comprise recesses along their respective third ends and face one another to form said first prismatic guide of said body; and said plates of said second pair comprise recesses along their respective fourth ends and face one another to form said second prismatic guide of said body.