(under subclass 142) Subject matter wherein the weight sustaining apparatus is mounted for arcuately oscillating movement relative to a supporting surface upon which both the user and the apparatus are supported, e.g., the ground, a floor, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
71, for apparatus in which significance is attributed to conditioning or developing a muscle employed while skiing or simulating skiing and which involves swiveling.
79, for apparatus in which significance is attributed to conditioning or developing a muscle of the foot or ankle alone.
SEE OR SEARCH CLASS
472, Amusement Devices, particularly
14+, for an occupant propelled roundabout which may rotate in a complete loop or circle for an amusement purpose.
