US Patent 10551040 Lighting trim ring friction fit system

A trim system includes a trim housing defining a top trim housing end and a bottom trim housing end, the trim housing defining an inner trim housing surface, the inner trim housing surface defining a trim housing bore extending into the trim housing from the bottom trim housing end towards the top trim housing end, the trim housing bore defining an axis; and a trim piece defining a top trim piece end and a bottom trim piece end, the top trim piece end inserted into the trim housing bore, the trim piece including a retention clip defining a first end and a second end, the first end secured to a base of the trim piece, the second end defining at least one tooth, the at least one tooth cutting into the inner trim housing surface and axially securing the trim piece to the trim housing relative to the axis.