Patent ID: 6488600
Filing Date: 2002-12-03
Classification: A63B,A63C

Abstract:
A sport floor structure for a ball game, comprising:a rigid foundation; a spring layer supported by the rigid foundation; and a playing surface supported by the spring layer, the playing surface suitable for supporting human players and hard enough to permit bouncing of a pressurized game ball in a fashion substantially like that of basketball, the playing surface comprising a rugged and deformable resilient layer, and the rugged and deformable resilient layer divided into a plurality of separate fields according to markings on the playing surface, wherein a density of the spring layer supporting at least one of the separate fields is greater than a density of the spring layer supporting at least another one of the separate fields, whereby the at least one of the separate fields is a less flexible field and the at least another one of the separate fields is a more flexible field in response to a player jumping on the rugged and deformable resilient layer.