US Patent 9518645 Modular flexplate

Embodiments include a modular flex plate assembly with a plurality of modular segments connectable with at least another modular segment by joining a first end of one modular segment to a second end of another modular segment to form a ring gear. The ring gear can be mounted to a substrate and mounted or fastened to a component of an engine or a transmission system. A plurality of securing devices can cooperatively engage the ring gear to a substrate, such that the gear teeth of the ring gear align with the perimeter edge of the substrate.