US Patent 10256614 Adjustable mud ring assemblies

An adjustable mud ring assembly is provided that includes a base plate, a movable ring, and an indexing screw configured to move the movable ring with respect to the base plate between a first position and a second position. The base plate has a junction box connecting portion, a support connecting portion, and a stationary ring. The base plate can have an offset distance (D2) between the junction box connecting portion and the support connecting portion where the offset distance is sufficient to allow the movable ring to move into stationary ring to the first position without protruding, at a lowermost point, into a junction box connected to the junction box connecting portion.