US Patent 11777294 Multi-gang adjustable mud ring assemblies

A mud ring assembly includes base member, raised member, telescoping member and plurality of drive members. The base member has a flange and an opening through the flange. The raised member extends from the base member and follows the opening in the flange to form a raised wall. The raised member has a plurality of mounting tabs extending from the raised wall toward the opening in the raised member. The telescoping member is positioned within the raised member opening and is movable relative to the raised member between a retracted position and an extended position. The telescoping member has a wall, an opening and a plurality of mounting tabs extending from the wall toward the opening in the telescoping member. Rotation of the drive members causes the telescoping member to move between the retracted position and the extended position.