(under subclass 143) Subject matter wherein the apparatus is used to hang the complete body of the user upside down.
(1) Note. The inversion suspension device may pivot about a horizontal axis but, if used to carry the user in a complete loop, it is classified in Class 472, Amusement Devices.
SEE OR SEARCH CLASS
128, Surgery, particularly
71, and 75 for an orthopedic extension device which may stretch or extend a body or spinal column by inversion of the user for a therapeutic purpose.
472, Amusement Devices, particularly
16+, for an occupant propelled roundabout which may invert the occupant by rotating him/her completely about a horizontal axis (see (1) Note above).
