Patent ID: 9675860
Date: 2017-06-13
CPC Classifications: A63B

Claim:
1. A multi-purpose sports apparatus comprising a foundation body ( 10 ) containing a playing surface ( 11 ) and an obstacle element ( 20 ) placed on the foundation body ( 10 ), wherein the playing surface ( 11 ) of the foundation body ( 10 ) looking from the interior of the foundation body ( 10 ) has an at least partially convex top surface ( 15 ) and the foundation body ( 10 ) has a support structure ( 30 ) which separates the playing surface ( 11 ) from the base ( 2 ), and wherein the foundation body ( 10 ) has an upper member ( 10 a ) fitted with the top surface ( 15 ) containing the playing area ( 11 ) and a lower member ( 10 b ) located under the upper member, where the upper member is made at least partially of flexible material and the lower member of rigid material, and furthermore a curvature adjustment mechanism ( 40 ) to change the curvature of the upper member is interposed between the upper member ( 10 a ) and the lower member ( 10 b ).