US Patent 10011987 Main tee splice plate

A metal splice plate for joining the ends of suspended ceiling main tees of different heights and load carrying capacity, the plate having a bottom edge lying along a straight line and having a tall section adjacent one end and a short section adjacent an end opposite said one end, a formation at each of said ends providing indicia for locating the formation on the respective section on an end of a main tee of a corresponding height longitudinally at a desired position relative to and spaced from a cross runner slot on the main tee of corresponding height.