Adapter for bracket securement to wall studs and method of manufacture

A method of making an adapter for holding a slott ed standard in the form of a flat bar having longitudinally spaced slots along a center line thereof to a pair of back to-back studs in a wall construction, the adapter comprising a box-like housing having a rear wall, a pair of side walls, front wallboard supporting wings with inner extensions that stop short of one another and have right angle spaced apart parallel entrance flanges formed thereon, a pair of inwardly extending flanges spaced rearwardly of the extensions and forming therewith a split channel for receiving the flat bar and with the slots of the bar aligned with the space between the entrance flanges, said method comprising:

• A. forming recesses in at least one of the faces of said flat bar between said slots and opposite parallel edges of said bar,
• B. assembling the flat bar in said split channel together with said housing,
• C. rolling portions of at least one of said extensions and inwardly extending flanges into said recesses between said slots and said opposite parallel edges of said bar to form locking keys for holding the flat bar and the adapter in assembly.