Description
Class F03G : SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
Subclass 5/08: Devices for producing mechanical power from muscle energy (driving cycles B62M) other than of endless-walk type for combined actuation by different limbs, e.g. hand and leg