US Patent 7087837 Adjustable electrical box assembly

An assembly that enables easy mounting of an electrical box on an unfinished wall at a desired offset from the wall's eventual surface. The assembly includes an electrical box and a slide member. The slide member includes a flange having a rear surface, an opening therein, and arms extending rearwardly from the rear surface. The electrical box includes sidewalls having apertures therein, a front opening, a front edge, and a cavity for receiving an electrical device. The slide member is slideable with respect to the electrical box. A mounting arrangement is included on the flange for securing the slide member to the wall. A fastening and adjustment arrangement on the arms enables the box to be secured to the slide member and also enables easy adjusting of the offset of the front edge of the box from the wall surface.