GYMNASIUM FLOORING AND METHOD FOR ITS ASSEMBLY Russian patent published in 1995 - IPC

FIELD: sport. SUBSTANCE: shell is made separable along flooring length of sections, and air chambers are located along its longitudinal axis and provided with locking devices in similar end faces. Chamber length is equal to length of flooring. Collector is located from the end face in lateral channel closed with decorative separable wall. Made along flooring length is, at least, one joint of upper and lower panels, side walls and partitions. Located on adjacent edges of panels and walls are quick-separable connecting members. They may be made in form of loops through which long highly strong flexible member is passed. Chamber shut-off devices may be made in form of spring-loaded valves or flexible coupled thinned ends of pipes located in end faces on the side of chamber hollows. Flooring is assembled by successive stringing shell parts on chambers and joining of shell parts to one another. EFFECT: simplified design and improved operate reliability. 10 cl, 12 dwg