| 摘要 |
FIELD: entertainment industry and sports, in particular, grounds for playing with metal balls. ^ SUBSTANCE: playing ground is made in the form of rigid even horizontal rectangular site equipped with ball rolling-away wall at the end of ground, sides along its lateral and rear boundaries, artificial double-layer covering with lower layer made from vibration-absorbing rubber and upper layer of carpet covering. Ground sides have rubberized relief for jumping of ball and plank between said profile and playing surface of ground, and also baffles attached to outer surfaces of sides. ^ EFFECT: increased efficiency and wider operational capabilities of ground having restricted area. ^ 2 dwg |
