Door frame reinforcing plate for lock striker

A reinforced door frame assembly comprising in combination a wooden door frame having a lock striker connected to an exterior surface thereof, a reinforcing flat metal plate adapted to be secured over an interior flat surface of said door frame adjacent said lock striker by positioning said plate in alignment with said lock striker in a space behind said frame, said flat metal plate having a striker bolt aperture therein adjacent a first end of said plate, striker connecting means disposed on opposed top and bottom sides of said aperture, at least one group of holes disposed in a predetermined pattern at predetermined locations in said flat plate spaced to a lateral side of said opening opposite said first end for receiving a fastener threaded into said frame from said exterior surface of said frame at one or more predetermined locations, said reinforcing plate having a right-angle flange formed integral at said first end adjacent said opening, said flange being adapted to overlie an edge surface portion of said door frame a template permitting the alignment of said reinforcing plate with said lock striker and the identification of said predetermined locations as well as the disposition of holes in said at least one group of holes where said fastener is to be introduced into said frame whereby said fastener will engage with one of said holes of an associated group of holes when threaded into said frame and cause said reinforcing plate to be secured against said interior flat surface of said frame.