ACROBATIC TRACK Russian patent published in 1995 - IPC

FIELD: sports inventory. SUBSTANCE: track represents a pneumatic chamber in the form of parallelepiped. Its upper and lower foundations are connected with straps 2 located in resilient tubes 3. The upper foundation of the pneumatic chamber is made as a whole with a resilient coating and is reinforced with replaceable resilient rods 5 and 4. The rods are located in two layers crosswise. In each layer the rods are oriented parallel to one of the foundation diagonal lines. The required force-running characteristics of the track are achieved by the regulation of the pressure and the change of rods. EFFECT: enhanced performance of the track and ease of exploitation. 1 cl, 5 dwg