CIRCULAR ROLLER Russian patent published in 2018 - IPC A63G17/00 

FIELD: entertainment.

SUBSTANCE: invention relates to entertainment and may be used as a gymnastic apparatus for skating onto various flat mainly surfaces. Core of the technical solution is a circular roller consisting of a rigid ring with a carriage installed on its inner surface provided with a playground for user and roller supports, contacting with the surface of the rigid ring by means of rollers in the form of a single- band hyperboloid, and a steering element for hands, made in the form of two rigid arcs, positioned convex sides outward in the plane perpendicular to the plane of the ring and connected rigidly to the carriage, the carriage is made in the form of vertical stand with a center opening provided with grooves in the upper and lower parts, stabilization of the vertical position of the stand provides gyroscopic device, the center opening of the stand used as mounting seat of axis of double-arm lever, each of whose ends is articulate connected to single-arm-lever ending with axes, and carrier hyperboloid calender.

EFFECT: use of technical solution of the proposed invention increases mobility and extends the functionality of the circular roller.

1 cl, 2 dwg