(under subclass 4) Subject matter wherein the vertically oscillating beam structure manipulates a force transmitting member, e.g., a gear, ratchet, camming surface, linkage, etc., to assist in sustaining circuitous movement of the apparatus.
(1) Note. While the drive structure is needed only to help maintain the roundabout motion, it may be the only structure used by the occupant to propel the roundabout.
SEE OR SEARCH THIS CLASS, SUBCLASS:
19+, for an occupant operated drive structure which indefinitely maintains motion of the roundabout without any contact with the ground except possibly when initially starting the motion.
