N.P. DYADCHENKO'S PNEUMATIC ROLLER Russian patent published in 2015 - IPC A63G1/00 

FIELD: transport.

SUBSTANCE: pneumatic roller consists of pneumatic chamber rings, its inner surface being provided with rigid circular guides for seats with roller supports. Said guide is composed of a looped metal tube. The latter is provided with the system of pairs of trundles arranged level with tube diameter, equally spaced from looped tube lengthwise mirror plane. Pneumatic chamber ring is composed of the system of pneumatic chambers with ID comparable with that of looped tube. Said chambers are folded in diameter and locked in pairs by flexures at trundles. Roller supports are composed of single-cavity hyperboloids with working surface to fit the looped tube diameter.

EFFECT: higher safety.

2 dwg