| I.P Abstract & Summary |
A ball lifting device of the present disclosure, which employs a spiral ball transporting method for smoothly moving a ball, can move along a free path, is easy to be installed and operated, and has excellent durability and strength. The ball lifting device can be installed indoors as well as outdoors for educational, entertainment or viewing purposes. The ball lifting device can quickly move inflated balls filled with air used in ball games, and can be installed in connection with sports facilities as an automatic ball supply system. |
