SIMPLIFIED NET SETTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a simplified net setting device by which ball game practice can be conducted indoors or outdoors. SOLUTION: This device comprises main air poles formed at the front and the rear by injecting air, and subsidiary air poles provided between the main air poles and formed simultaneously with the main air poles by injecting air. On the main air poles and the subsidiary air poles, a net is stretched to cover a space part composed by the air poles except for a front surface.