Sound generating device for use during sports event, has ringing units movably arranged in frame, where ringing units serve as advertising medium, and have drill hole penetrated into section of frame with play

摘要

The device (1) has ringing units (3) movably arranged in a frame (2), where the ringing units serve as an advertising medium, and have a drill hole penetrated into a section (5) of the frame with play. The frame has an advertising space (6), and is designed as mirror symmetric. A handle (7) is positioned on a mirror axis. The frame is made of elastomer or plastic material, and the ringing unit is made of thermoplastic styrene elastomer and polyphenylene sulfide (PPS).