CIRCULAR ROLLER Russian patent published in 2016 - 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 and provided with a platform for feet 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 elements for hands made in the form of two rigid arcs positioned with their convex sides outward in the plane perpendicular to the ring plane and connected rigidly with their lower ends to the carriage and with the upper ones - to the roller support. Herewith the rigid ring in the form of a looped tube there are two rows of holes for a looped spring turns on the peripheral half, which serves as a shock absorber and a grouser for the hubless wheel of the roller, the inner diameter of the spring turns is comparable with the outer diameter or larger than the outer diameter of the looped tube of the roller.

EFFECT: provided is higher manufacturability and enlarged functional capabilities of the ring roller.

1 cl, 1 dwg