PNEUMATIC ROLLER Russian patent published in 2016 - IPC A63G1/00 

FIELD: entertainment.

SUBSTANCE: invention relates to entertainment and may be used as gymnastic apparatus for year-round downhill hills. Higher safety of riding and manufacture ability of pneumatic roller, unification and performance enhancing. Summary of technical solution consists in fact that in pneumatic roller consisting of pneumatic chamber ring, equipped on inner surface with rigid circular guides for seats with roller supports, guide is made in form of looped metal pipe, equipped at level of tube diameter with system of trundles pairs, equally spaced from looped tube lengthwise mirror plane, pneumatic chamber ring is made in form of system of pneumatic chambers with internal diameter comparable with looped tube diameter folded in diameter and locked in pairs by flexures at trundles, roller supports are made in form of single-cavity hyperboloids with working surface under looped tube diameter. At that, trundles are equipped with replaceable bushes of telescopic design, and pneumatic chambers with internal diameter comparable with looped tube diameter, have alternating variable outer diameters.

EFFECT: higher safety.

1 cl, 1 dwg