US Patent 11851912 Universal chassis for door handle assemblies

A door handle assembly includes a chassis, first and second trim plates, and a latch assembly. The chassis includes an interior chassis portion and an exterior chassis portion. The interior chassis portion is configured to extend from a first side of a door and includes at least one trim engagement mechanism. The exterior chassis portion is configured to extend from a second side of a door and includes at least one trim engagement mechanism. The first trim plate is configured to removably engage the first trim engagement mechanism, optionally via a trim plate adapter. The second trim plate is configured to removably engage the second trim engagement mechanism, also optionally via a trim plate adapter. The latch assembly extends between the exterior chassis portion and the interior chassis portion. The first trim engagement mechanism and the second trim engagement mechanism are capable of removably engaging with interchangeable trim plates.